Rename allow and deny strings.

Both are also present in the Settings app's resources, which we
integrate into.

Change-Id: Ib08e84995a946d3fdf22f1bb61871c4e1429538e
Superuser: Remove unused translations

Change-Id: Iecd28faacb070e753305bc52395586f429d58723
Merge branch 'cm-11.0' of https://github.com/CyanogenMod/Superuser into cm-11.0