Add a layout for large screens

Fix #18
Merge branch 'upgrade/18' into dev
Improve tag searching on the omnibar

Fix #33
Fix a bug allowing partial tag matches at the end of tags
Allow omnibar tag searches to match partially
Merge branch 'upgrade/33' into dev
Add DarkActionBar
Merge branch 'tweak' into dev
Minimize tags in the list until expanded
Add a new dummy long press menu
Add some animations to menu show / hide
Add missing file
Hide the menu on touch events outside of the menu's view
Fix flag formatting bug
Update xhdpi drawables to Android and remove non-xhdpi drawables

They should be reimplemented later, of course, but I'm on a Chromebook
and have no real image editor.
Update omnibar clear icon

Yes, I know this is the wrong branch.
Add the long press menu to the expanded view of an item
Merge branch 'upgrade/smalltags' into dev
Remove long press and low priority
Speed up animations