diff --git a/.idea/libraries/animated_vector_drawable_24_2_0.xml b/.idea/libraries/animated_vector_drawable_24_2_0.xml
deleted file mode 100644
index 0a374b7..0000000
--- a/.idea/libraries/animated_vector_drawable_24_2_0.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<component name="libraryTable">
-  <library name="animated-vector-drawable-24.2.0">
-    <CLASSES>
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/animated-vector-drawable/24.2.0/res" />
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/animated-vector-drawable/24.2.0/jars/classes.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/Library/Android/sdk/extras/android/m2repository/com/android/support/animated-vector-drawable/24.2.0/animated-vector-drawable-24.2.0-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/appcompat_v7_24_2_0.xml b/.idea/libraries/appcompat_v7_24_2_0.xml
deleted file mode 100644
index f11eefb..0000000
--- a/.idea/libraries/appcompat_v7_24_2_0.xml
+++ /dev/null
@@ -1,15 +0,0 @@
-<component name="libraryTable">
-  <library name="appcompat-v7-24.2.0">
-    <ANNOTATIONS>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/appcompat-v7/24.2.0/annotations.zip!/" />
-    </ANNOTATIONS>
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/appcompat-v7/24.2.0/jars/classes.jar!/" />
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/appcompat-v7/24.2.0/res" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/Library/Android/sdk/extras/android/m2repository/com/android/support/appcompat-v7/24.2.0/appcompat-v7-24.2.0-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/design_24_2_0.xml b/.idea/libraries/design_24_2_0.xml
deleted file mode 100644
index 79d967c..0000000
--- a/.idea/libraries/design_24_2_0.xml
+++ /dev/null
@@ -1,15 +0,0 @@
-<component name="libraryTable">
-  <library name="design-24.2.0">
-    <ANNOTATIONS>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/design/24.2.0/annotations.zip!/" />
-    </ANNOTATIONS>
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/design/24.2.0/jars/classes.jar!/" />
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/design/24.2.0/res" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/Library/Android/sdk/extras/android/m2repository/com/android/support/design/24.2.0/design-24.2.0-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/firebase_analytics_10_0_1.xml b/.idea/libraries/firebase_analytics_10_0_1.xml
deleted file mode 100644
index 4cf6b2b..0000000
--- a/.idea/libraries/firebase_analytics_10_0_1.xml
+++ /dev/null
@@ -1,10 +0,0 @@
-<component name="libraryTable">
-  <library name="firebase-analytics-10.0.1">
-    <CLASSES>
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.google.firebase/firebase-analytics/10.0.1/res" />
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.google.firebase/firebase-analytics/10.0.1/jars/classes.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES />
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/firebase_analytics_impl_10_0_1.xml b/.idea/libraries/firebase_analytics_impl_10_0_1.xml
deleted file mode 100644
index f01eed7..0000000
--- a/.idea/libraries/firebase_analytics_impl_10_0_1.xml
+++ /dev/null
@@ -1,10 +0,0 @@
-<component name="libraryTable">
-  <library name="firebase-analytics-impl-10.0.1">
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.google.firebase/firebase-analytics-impl/10.0.1/jars/classes.jar!/" />
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.google.firebase/firebase-analytics-impl/10.0.1/res" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES />
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/firebase_common_10_0_1.xml b/.idea/libraries/firebase_common_10_0_1.xml
deleted file mode 100644
index 5e58fd2..0000000
--- a/.idea/libraries/firebase_common_10_0_1.xml
+++ /dev/null
@@ -1,10 +0,0 @@
-<component name="libraryTable">
-  <library name="firebase-common-10.0.1">
-    <CLASSES>
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.google.firebase/firebase-common/10.0.1/res" />
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.google.firebase/firebase-common/10.0.1/jars/classes.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES />
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/firebase_core_10_0_1.xml b/.idea/libraries/firebase_core_10_0_1.xml
deleted file mode 100644
index 7eac249..0000000
--- a/.idea/libraries/firebase_core_10_0_1.xml
+++ /dev/null
@@ -1,10 +0,0 @@
-<component name="libraryTable">
-  <library name="firebase-core-10.0.1">
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.google.firebase/firebase-core/10.0.1/jars/classes.jar!/" />
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.google.firebase/firebase-core/10.0.1/res" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES />
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/firebase_iid_10_0_1.xml b/.idea/libraries/firebase_iid_10_0_1.xml
deleted file mode 100644
index 8b20884..0000000
--- a/.idea/libraries/firebase_iid_10_0_1.xml
+++ /dev/null
@@ -1,10 +0,0 @@
-<component name="libraryTable">
-  <library name="firebase-iid-10.0.1">
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.google.firebase/firebase-iid/10.0.1/jars/classes.jar!/" />
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.google.firebase/firebase-iid/10.0.1/res" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES />
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/firebase_messaging_10_0_1.xml b/.idea/libraries/firebase_messaging_10_0_1.xml
deleted file mode 100644
index 9274a51..0000000
--- a/.idea/libraries/firebase_messaging_10_0_1.xml
+++ /dev/null
@@ -1,10 +0,0 @@
-<component name="libraryTable">
-  <library name="firebase-messaging-10.0.1">
-    <CLASSES>
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.google.firebase/firebase-messaging/10.0.1/res" />
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.google.firebase/firebase-messaging/10.0.1/jars/classes.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES />
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/hamcrest_core_1_3.xml b/.idea/libraries/hamcrest_core_1_3.xml
deleted file mode 100644
index 157e3f3..0000000
--- a/.idea/libraries/hamcrest_core_1_3.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<component name="libraryTable">
-  <library name="hamcrest-core-1.3">
-    <CLASSES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.hamcrest/hamcrest-core/1.3/42a25dc3219429f0e5d060061f71acb49bf010a0/hamcrest-core-1.3.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.hamcrest/hamcrest-core/1.3/1dc37250fbc78e23a65a67fbbaf71d2e9cbc3c0b/hamcrest-core-1.3-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/junit_4_12.xml b/.idea/libraries/junit_4_12.xml
deleted file mode 100644
index 305df30..0000000
--- a/.idea/libraries/junit_4_12.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<component name="libraryTable">
-  <library name="junit-4.12">
-    <CLASSES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/junit/junit/4.12/2973d150c0dc1fefe998f834810d68f278ea58ec/junit-4.12.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/junit/junit/4.12/a6c32b40bf3d76eca54e3c601e5d1470c86fcdfa/junit-4.12-sources.jar!/" />
-    </SOURCES>
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-</component>
\ No newline at end of file
diff --git a/.idea/libraries/mobmetricalib_2_51.xml b/.idea/libraries/mobmetricalib_2_51.xml
deleted file mode 100644
index a617f70..0000000
--- a/.idea/libraries/mobmetricalib_2_51.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<component name="libraryTable">
-  <library name="mobmetricalib-2.51">
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.yandex.android/mobmetricalib/2.51/jars/classes.jar!/" />
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.yandex.android/mobmetricalib/2.51/res" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.yandex.android/mobmetricalib/2.51/e699e7c5d6ca706cf9de69a2463b2328f121cfae/mobmetricalib-2.51-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/play_services_basement_10_0_1.xml b/.idea/libraries/play_services_basement_10_0_1.xml
deleted file mode 100644
index b4d86ac..0000000
--- a/.idea/libraries/play_services_basement_10_0_1.xml
+++ /dev/null
@@ -1,10 +0,0 @@
-<component name="libraryTable">
-  <library name="play-services-basement-10.0.1">
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.google.android.gms/play-services-basement/10.0.1/jars/classes.jar!/" />
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.google.android.gms/play-services-basement/10.0.1/res" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES />
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/play_services_tasks_10_0_1.xml b/.idea/libraries/play_services_tasks_10_0_1.xml
deleted file mode 100644
index b9e9877..0000000
--- a/.idea/libraries/play_services_tasks_10_0_1.xml
+++ /dev/null
@@ -1,10 +0,0 @@
-<component name="libraryTable">
-  <library name="play-services-tasks-10.0.1">
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.google.android.gms/play-services-tasks/10.0.1/jars/classes.jar!/" />
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.google.android.gms/play-services-tasks/10.0.1/res" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES />
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/recyclerview_v7_24_2_0.xml b/.idea/libraries/recyclerview_v7_24_2_0.xml
deleted file mode 100644
index 7685fa4..0000000
--- a/.idea/libraries/recyclerview_v7_24_2_0.xml
+++ /dev/null
@@ -1,15 +0,0 @@
-<component name="libraryTable">
-  <library name="recyclerview-v7-24.2.0">
-    <ANNOTATIONS>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/recyclerview-v7/24.2.0/annotations.zip!/" />
-    </ANNOTATIONS>
-    <CLASSES>
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/recyclerview-v7/24.2.0/res" />
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/recyclerview-v7/24.2.0/jars/classes.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/Library/Android/sdk/extras/android/m2repository/com/android/support/recyclerview-v7/24.2.0/recyclerview-v7-24.2.0-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/support_annotations_24_2_0.xml b/.idea/libraries/support_annotations_24_2_0.xml
deleted file mode 100644
index b01b9db..0000000
--- a/.idea/libraries/support_annotations_24_2_0.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<component name="libraryTable">
-  <library name="support-annotations-24.2.0">
-    <CLASSES>
-      <root url="jar://$USER_HOME$/Library/Android/sdk/extras/android/m2repository/com/android/support/support-annotations/24.2.0/support-annotations-24.2.0.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/Library/Android/sdk/extras/android/m2repository/com/android/support/support-annotations/24.2.0/support-annotations-24.2.0-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/support_compat_24_2_0.xml b/.idea/libraries/support_compat_24_2_0.xml
deleted file mode 100644
index 47523fc..0000000
--- a/.idea/libraries/support_compat_24_2_0.xml
+++ /dev/null
@@ -1,16 +0,0 @@
-<component name="libraryTable">
-  <library name="support-compat-24.2.0">
-    <ANNOTATIONS>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-compat/24.2.0/annotations.zip!/" />
-    </ANNOTATIONS>
-    <CLASSES>
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-compat/24.2.0/res" />
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-compat/24.2.0/jars/libs/internal_impl-24.2.0.jar!/" />
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-compat/24.2.0/jars/classes.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/Library/Android/sdk/extras/android/m2repository/com/android/support/support-compat/24.2.0/support-compat-24.2.0-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/support_core_ui_24_2_0.xml b/.idea/libraries/support_core_ui_24_2_0.xml
deleted file mode 100644
index d556aee..0000000
--- a/.idea/libraries/support_core_ui_24_2_0.xml
+++ /dev/null
@@ -1,16 +0,0 @@
-<component name="libraryTable">
-  <library name="support-core-ui-24.2.0">
-    <ANNOTATIONS>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-core-ui/24.2.0/annotations.zip!/" />
-    </ANNOTATIONS>
-    <CLASSES>
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-core-ui/24.2.0/res" />
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-core-ui/24.2.0/jars/libs/internal_impl-24.2.0.jar!/" />
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-core-ui/24.2.0/jars/classes.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/Library/Android/sdk/extras/android/m2repository/com/android/support/support-core-ui/24.2.0/support-core-ui-24.2.0-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/support_core_utils_24_2_0.xml b/.idea/libraries/support_core_utils_24_2_0.xml
deleted file mode 100644
index d25d4e2..0000000
--- a/.idea/libraries/support_core_utils_24_2_0.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<component name="libraryTable">
-  <library name="support-core-utils-24.2.0">
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-core-utils/24.2.0/jars/classes.jar!/" />
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-core-utils/24.2.0/res" />
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-core-utils/24.2.0/jars/libs/internal_impl-24.2.0.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
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-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/support_fragment_24_2_0.xml b/.idea/libraries/support_fragment_24_2_0.xml
deleted file mode 100644
index 0454e30..0000000
--- a/.idea/libraries/support_fragment_24_2_0.xml
+++ /dev/null
@@ -1,16 +0,0 @@
-<component name="libraryTable">
-  <library name="support-fragment-24.2.0">
-    <ANNOTATIONS>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-fragment/24.2.0/annotations.zip!/" />
-    </ANNOTATIONS>
-    <CLASSES>
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-fragment/24.2.0/res" />
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-fragment/24.2.0/jars/libs/internal_impl-24.2.0.jar!/" />
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-fragment/24.2.0/jars/classes.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/Library/Android/sdk/extras/android/m2repository/com/android/support/support-fragment/24.2.0/support-fragment-24.2.0-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/support_media_compat_24_2_0.xml b/.idea/libraries/support_media_compat_24_2_0.xml
deleted file mode 100644
index a384736..0000000
--- a/.idea/libraries/support_media_compat_24_2_0.xml
+++ /dev/null
@@ -1,16 +0,0 @@
-<component name="libraryTable">
-  <library name="support-media-compat-24.2.0">
-    <ANNOTATIONS>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-media-compat/24.2.0/annotations.zip!/" />
-    </ANNOTATIONS>
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-media-compat/24.2.0/jars/classes.jar!/" />
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-media-compat/24.2.0/jars/libs/internal_impl-24.2.0.jar!/" />
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-media-compat/24.2.0/res" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/Library/Android/sdk/extras/android/m2repository/com/android/support/support-media-compat/24.2.0/support-media-compat-24.2.0-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/support_v4_24_2_0.xml b/.idea/libraries/support_v4_24_2_0.xml
deleted file mode 100644
index c8f65e5..0000000
--- a/.idea/libraries/support_v4_24_2_0.xml
+++ /dev/null
@@ -1,10 +0,0 @@
-<component name="libraryTable">
-  <library name="support-v4-24.2.0">
-    <CLASSES>
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-v4/24.2.0/res" />
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-v4/24.2.0/jars/classes.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES />
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/support_vector_drawable_24_2_0.xml b/.idea/libraries/support_vector_drawable_24_2_0.xml
deleted file mode 100644
index f11f5ef..0000000
--- a/.idea/libraries/support_vector_drawable_24_2_0.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<component name="libraryTable">
-  <library name="support-vector-drawable-24.2.0">
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-vector-drawable/24.2.0/jars/classes.jar!/" />
-      <root url="file://$PROJECT_DIR$/app/build/intermediates/exploded-aar/com.android.support/support-vector-drawable/24.2.0/res" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/Library/Android/sdk/extras/android/m2repository/com/android/support/support-vector-drawable/24.2.0/support-vector-drawable-24.2.0-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/volley_1_0_0.xml b/.idea/libraries/volley_1_0_0.xml
deleted file mode 100644
index 319ac37..0000000
--- a/.idea/libraries/volley_1_0_0.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<component name="libraryTable">
-  <library name="volley-1.0.0">
-    <CLASSES>
-      <root url="jar://$PROJECT_DIR$/disfeedback/build/intermediates/exploded-aar/com.android.volley/volley/1.0.0/jars/classes.jar!/" />
-      <root url="file://$PROJECT_DIR$/disfeedback/build/intermediates/exploded-aar/com.android.volley/volley/1.0.0/res" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.android.volley/volley/1.0.0/c79696d64f9520675054e27b77f490c17d8b4b9e/volley-1.0.0-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
index 211abac..8740b82 100644
--- a/.idea/modules.xml
+++ b/.idea/modules.xml
@@ -2,7 +2,7 @@
 <project version="4">
   <component name="ProjectModuleManager">
     <modules>
-      <module fileurl="file://$PROJECT_DIR$/DisTalkPro.iml" filepath="$PROJECT_DIR$/DisTalkPro.iml" />
+      <module fileurl="file://$PROJECT_DIR$/DisTalkPro-android.iml" filepath="$PROJECT_DIR$/DisTalkPro-android.iml" />
       <module fileurl="file://$PROJECT_DIR$/app/app.iml" filepath="$PROJECT_DIR$/app/app.iml" />
       <module fileurl="file://$PROJECT_DIR$/disfeedback/disfeedback.iml" filepath="$PROJECT_DIR$/disfeedback/disfeedback.iml" />
     </modules>
diff --git a/app/src/main/java/ru/aacidov/distalkpro/TTS.java b/app/src/main/java/ru/aacidov/distalkpro/TTS.java
index 87542d6..114376c 100755
--- a/app/src/main/java/ru/aacidov/distalkpro/TTS.java
+++ b/app/src/main/java/ru/aacidov/distalkpro/TTS.java
@@ -2,6 +2,7 @@
 
 import android.content.Context;
 import android.speech.tts.TextToSpeech;
+import android.widget.Toast;
 
 import java.util.Locale;
 
@@ -16,10 +17,16 @@ public TTS() {
         tts = new TextToSpeech(MainActivity.context, new TextToSpeech.OnInitListener() {
             @Override
             public void onInit(int i) {
-                tts.setLanguage(Locale.getDefault());
+                if(i == TextToSpeech.SUCCESS) {
+                    tts.setLanguage(Locale.getDefault());
+                }
+                else if (i == TextToSpeech.LANG_MISSING_DATA ||
+                        i == TextToSpeech.LANG_NOT_SUPPORTED) {
+                    Toast.makeText(MainActivity.context, "Error initializing text to speech!", Toast.LENGTH_LONG).show();
+                    return;
+                }
             }
         });
-
     }
 
     public static TTS getInstance() {
diff --git a/build.gradle b/build.gradle
index 363efae..17e953a 100755
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.3'
+        classpath 'com.android.tools.build:gradle:3.0.1'
 
         classpath 'com.yandex.android:mobmetricalib:2.51'
         // NOTE: Do not place your application dependencies here; they belong
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 297777f..fe07b48 100755
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Mon Dec 18 22:13:25 MSK 2017
+#Tue Dec 19 14:46:08 MSK 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip