Settings: PL Translations, fixes and improvements.

Small fixes.

Change-Id: I1fc4f26334e89578b1ed6bbb9d61accf4e9bb15e
Merge remote-tracking branch 'slimroms/kk4.4' into kk4.4

Conflicts:
	res/values-pl/slim_strings.xml

Change-Id: Id16f8b5b7fbbf80b20a66d4187708b151591fa33