AppsCustomizePagedView: Filtering

Change-Id: I829fc4b1a54e348d3c13da602d133dc20d315cca

Conflicts:
	res/values/strings.xml
	res/xml/preferences_drawer.xml
	src/com/cyanogenmod/trebuchet/AppsCustomizePagedView.java
	src/com/cyanogenmod/trebuchet/preference/PreferencesProvider.java