Animation control

started with AOKP's "custom system animations" by steve spear
as a base and added listview animations as well as others

to do: add more animations and custom interpolators control for system animations

Change-Id: I3d0508ede77ea515e5439d7ff4aae0c70f1fde61

Conflicts:
	AndroidManifest.xml
	res/values/strings.xml
	res/xml/display_settings.xml
	src/com/android/settings/DevelopmentSettings.java
	src/com/android/settings/DisplaySettings.java