Base_SystemUI: CA translations

Change-Id: I9698c88862fe090d8019d8ced8e792e80c1c2205
Merge "Base_SystemUI: CA translations" into cm-11.0
Core & SystemUI: RU translation

Translations imported from CM10.2 and revised.
Also includes plurals' fix, for a greater justice.

Change-Id: I3d3e52b1bd76b0bb467e6e15b38b5940f6eb6a09
Merge remote-tracking branch 'upstream/cm-11.0' into cm-11.0