Update README.md
Merge pull request #71 from maxirosson/dev

Gcm default implementation
Analytics sender improvements
Added new facebook login implementation
Utils and fixes for facebook login
Added custom dialog fragment. Facebook integration improvements
Merge pull request #72 from maxirosson/dev

Fixed ClearTaskIntent logic
Facebook integration improvements. Upgraded restfb to 1.6.12
Facebook integration improvements
Merge branch 'master' into facebook
Changed target version to 4.3. Facebook improvements
Facebook login button drawables. Facebook connector improvements
Merge pull request #74 from maxirosson/facebook

Facebook
Alert dialog fragment improvements. Added support for mockey