remove all references to ABS styles
first step at removing action bar sherlock
stats animations modified to work with native Fragment
use 'native' PTR library instead of the action bar sherlock compat
use native components instead of support.v4
Merge branch 'feature/remove-action-bar-sherlock' into issue/1258-drop-gingerbread-support

Conflicts:
	src/org/wordpress/android/ui/stats/StatsActivity.java