Moved Hangout.java to models package
Merge branch 'contributions' of github.com:barterli/barterli_android into contributions
adding google login
Merge branch 'contributions' of github.com:barterli/barterli_android into contributions
Fixed pressing back on profile screen immediately after login will automatically open login scfreen instead of books around me
Merge branch 'contributions' of github.com:barterli/barterli_android into contributions
removed bug, now we navigate back to homescreen from chat notifications