Settings: Security Settings update

Face unlock needs to be backed by pin/password,
so it makes sense to be able to toggle this option
from face unlock screen.
Also adding blacklist settings to 'no lockscreen'

Change-Id: I1f6bfb6675565420f76a1b1dae1b01977e854e8a
Settings: Update RU translations

Change-Id: Ib74f702c90756a30d378d97c0e84e0afb3386a39
Merge remote-tracking branch 'omni/android-4.4' into android-4.4