Consistent email address handling

• Adds email handling for facebook (by doing a /me request after login)
• Adds email handling for twitter
• Fixes facebook scope initialization in the sample (see MainActivity line 60 for more details)

Update Dependencies

• Updates libs to newest versions
• Adds possibility to use custom gPlus button (by just expecting a View instead of a SignInButton) (for more Info see issue #7)
• Reduces lib fingerprint by just using the TwitterCore library (before: Twitter)

v0.4

slight api sinplifications, gplus conenction state in SP

GooglePlus slight redesign

As GoogleApiClient does not react as I expect it to now there is a silentSignIn option to relogin and get the token again.

Adds additional accessToken params

Adds nullable username, userid and email to AccessToken

Another fix for JitPack

v0.2

adds google-services json file which is needed to build externally

Fix for Jitpack

v0.1.1

adds empty secrets file

Initial Release

v0.1

Merge branch 'master' of https://github.com/maksim88/EasyLogin