change startup project to Android, revert bogus project file changes
Avoid touching pager's fragments programmatically to avoid exception related to a bug in ChildFragmentManager;
make MainNavigationActivity "SingleTop"
Merge branch 'DA-414' into unstable

* DA-414:
  Avoid touching pager's fragments programmatically to avoid exception related to a bug in ChildFragmentManager; make MainNavigationActivity "SingleTop"
Merge branch 'unstable' of github.com:ChallengeEarth/drallo-app into unstable

# By Ursin Brunner
# Via Ursin Brunner
* 'unstable' of github.com:ChallengeEarth/drallo-app:
  improved sync so that some events (for example a drallo becomes successful) force a sync, while others can be throttled by the throttling controller.