Add default data sources so forks run out of the box
Use tools namespace to make layout design easier
Use new Android action overflow icon
L-based layout for directory details; display minor if one exists
Attach NavDrawer's "Send Feedback" button
Update version code for release 2.1.1-beta
Hotfix: correct login activity background for APIs < 19
Merge release v2.1.2 into master
Merge release v2.1.2 into master
Merge remote-tracking branch 'origin/master'

Conflicts:
	APO-DZ/build.gradle
Upgrade QuickReturnBar to makovkastar's FloatingActionButton implementation; add ButterKnife
Fix reversed subtitles in alumni directory
Fix subtitle hiding/unhiding with NavDrawer
Ensure data doesn't go stale
Use filtered data source
Beta release 2.2.1
Add feature graphic to repo
Update README.md

Update graphics on the README.
Screenshots for v2.1.2
Merge branch 'master' of https://github.com/ronaldsmartin/APO-DZ-Android into develop