Add a System App Remover in to Settings

ported from slimroms
original author: fronti90
contributers: kufikugel, mnm9994u, corcoran
to do: change the name, please suggest something.
A better place in settings--> done
fix fc--> done

PS2: fix force close
PS3: put it under interface/more
Change-Id: I3de35e34e47f99132b7c64734f65d2a25f9c62c6
Signed-off-by: anerik <anerikgames@gmail.com>

Conflicts:
	res/values/vanir_arrays.xml
	res/values/vanir_strings.xml
	res/xml/system_ui_more.xml

Conflicts:
	res/values/slim_strings.xml
	res/xml/slim_advanced_settings.xml

Conflicts:
	res/values/slim_arrays.xml
	res/values/slim_strings.xml
	res/xml/slim_advanced_settings.xml