Settings: Forward port Kill app longpress back

Based on http://review.cyanogenmod.org/#/c/27235
Original author: DaneshM

Change-Id: I6e8bfb4e7e4a35c321a01debf8fdb3a38120267b

Conflicts:

	res/values/cr_strings.xml
settings: add summary to hide carrier label

on notification drawer.

Change-Id: Id2aff4accd5135e07585187915f7ac81b5276663

Conflicts:

	res/xml/notification_drawer_settings.xml
settings: add back all keyboard IME features back (2/2)

this commit adds:

- ime switcher notification - thanks cm
- slims fullscreen disable on landscape
- slims force autorotation on IME
- volume button control for navigate in the message - thanks cm
- slims force to show always enter key

some fixes to the 4.2/4.3 implementations + added full multiuser
support for all this features

cheers

Change-Id: I58596f11ee09c6db77119f3e3044e1ec2dd30c0a

Conflicts:

	res/values/slim_arrays.xml