Settings: Move home answer & power end call options

Move 'Home answers call' & 'Power ends call' options to button settings

Change-Id: I2f365a3d278b0845b7c5ffcfe70c54160a00c24e

Conflicts:
	res/xml/button_settings.xml
	src/com/android/settings/cyanogenmod/ButtonSettings.java
settings: FC on quick settings editor on tablets without a vibrator

Change-Id: Ie824c3c958120d896690f369cf77eacf1e74c735
JIRA: CYAN-4296
Issue: https://jira.cyanogenmod.org/browse/CYAN-4296
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
Settings: modify AOSP RU translation

PS1: Updated a string to say "Cast screen" instead of older "Wireless display"
PS2: Brought back couple of strings that were reverted in 4.4.3 merge.

Change-Id: I7179ecde5f3d0ce829fd36115b2893913ad801ea
Settings: Fix lockscreen notification NPE
Build V96