Settings: Move home answer & power end call options

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

Change-Id: I2f365a3d278b0845b7c5ffcfe70c54160a00c24e
(cherry picked from commit a607674c07288690593a2330d40eb0ab3a941616)

Conflicts:
	res/xml/button_settings.xml
	src/com/android/settings/cyanogenmod/ButtonSettings.java
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
(cherry picked from commit c12b9bf4470a93dd6895d346b92576e2c8e73658)