Merge bug fix
Application flow changed regarding login/logout

https://tracker.blstreamgroup.com/jira/browse/URBNG-443
simplify:
return networkInfo.isAvailable() && networkInfo.isConnected();
Pull request fixes after remarks.
Layout fixes

If game offers prize, prize image not cover game title, but stays next
to it.
Merge pull request #102 from herbatnik/onlyMergeBugFix

GPSTaskAnswerFragment merge bug fix
Merge pull request #103 from KamilLelonek/android

[Android] Application flow changed regarding login/logout
Merge branch 'android' of github.com:blstream/UrbanGame into UrbanGame-366-2
Made changes suggested by herbatnik and element.