Lockscreen: option to use carousel animation when switching widgets (2/2)

This will add the option to use a carousel animation when
switching betweeen the widgets on the lockscreen.

Change-Id: I96f98e969d24db4260380301145e8c832ee2d123
Signed-off-by: Dirk Rettschlag <dirk.rettschlag@gmail.com>

Conflicts:
	res/values/strings.xml
	res/xml/prefs_lockscreens.xml
	src/com/aokp/romcontrol/fragments/Lockscreens.java
Merge github.com:CarbonDev/android_packages_apps_Settings into jb2