diff --git a/package-lock.json b/package-lock.json
index 6b8aba1..2df050f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -314,11 +314,11 @@
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-      "integrity": "sha1-AV2z81PgLlY3d1X5YnQuiYHnu7o=",
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@@ -429,15 +437,53 @@
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@@ -1725,6 +1803,11 @@
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@@ -2912,37 +3019,35 @@
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@@ -4053,7 +4159,8 @@
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@@ -5156,9 +5263,9 @@
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-      "integrity": "sha1-ko9dD0cNSTQmUepnlLCFfBAGk/c="
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/on-headers/-/on-headers-1.0.2.tgz",
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@@ -5177,6 +5284,14 @@
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+      "resolved": "https://registry.npmjs.org/optional-require/-/optional-require-1.1.8.tgz",
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@@ -5282,7 +5397,8 @@
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+      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
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@@ -5589,7 +5705,7 @@
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-      "integrity": "sha1-p8LgmJH9vzj7sQ03b7cwA+aKxYk="
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@@ -5672,6 +5788,20 @@
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@@ -5690,15 +5820,6 @@
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@@ -5888,6 +6009,11 @@
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+      "resolved": "https://registry.npmjs.org/rfdc/-/rfdc-1.3.0.tgz",
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@@ -5958,6 +6084,15 @@
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+      "resolved": "https://registry.npmjs.org/saslprep/-/saslprep-1.0.3.tgz",
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+      "optional": true,
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@@ -6211,6 +6346,15 @@
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+      "resolved": "https://registry.npmjs.org/sparse-bitfield/-/sparse-bitfield-3.0.3.tgz",
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+      "optional": true,
+      "requires": {
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@@ -6552,41 +6696,37 @@
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-      "integrity": "sha1-1DW9WXQ3Or2b2QaDWVEwhRBswF8=",
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-        "debug": "^0.7.2",
-        "mkdirp": "^0.5.1",
-        "readable-stream": "^1.1.7"
+        "date-format": "^4.0.14",
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-          "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
-          "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8="
+          "version": "4.3.4",
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-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
-          "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
+        "fs-extra": {
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+          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
+          "integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
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-            "inherits": "~2.0.1",
-            "isarray": "0.0.1",
-            "string_decoder": "~0.10.x"
+            "graceful-fs": "^4.2.0",
+            "jsonfile": "^4.0.0",
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-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
-          "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ="
+        "ms": {
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+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
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@@ -6595,6 +6735,14 @@
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       "integrity": "sha1-gIudDlb8Jz2Am6VzOOkpkZoanxo="
     },
+    "string_decoder": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
+      "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
+      "requires": {
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+      }
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       "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
@@ -6605,14 +6753,6 @@
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diff --git a/package.json b/package.json
index b7318b6..b7ae5a4 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
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     "compression": "^1.7.1",
-    "connect-mongo": "^2.0.1",
+    "connect-mongo": "^3.0.0",
     "cookie-parser": "^1.4.3",
     "crypt3": "^1.0.0",
     "debug": "^3.1.0",
@@ -34,9 +34,9 @@
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     "lodash": "^4.17.10",
-    "log4js": "^1.1.1",
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-    "mongoose": "^5.0.0",
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