Add app moving setting to the menu in Settings -> Apps

Change-Id: I5fdbc6c46a6ba7f348c0310eb83e96a2784256df
(cherry picked from commit 7270563e7cc8f549f5d321ca09d3ffc4bf04a00a)
(cherry picked from commit 8169aa9fc4e4b6b3e67917f3ef944e2cdc6883db)

Conflicts:
	res/values/cr_strings.xml
	src/com/android/settings/applications/ManageApplications.java
Enable moving applications to an external volume

* Always enable moving applications to an external volume if it is
  available and mounted

Change-Id: Ia683eda30338dfad0d7e78087d42d7e512fa83e4
(cherry picked from commit c77ce662325c124b0ccd542c1a943294983e56da)
(cherry picked from commit a856f01e4660f66168d158805a960d1602a56b02)
APPS2SD Derp