Stylus gestures features (2/2)

Forward-port of https://github.com/CyanogenMod/android_packages_apps_Settings/commit/b3d850521e0042b85422903c70130f350f57b87a
to CM-10.1

Change-Id: I0ab78f1129d2d04b0af21e9b38da027dfe3d1295

Conflicts:

	res/values/strings.xml