Bring back QuickMessage, Unicode stripping, TimeStamps and Add to Calendar

Change-Id: I103195f61b13a83573e7bf8f8a1bf08cb8aacc94

Conflicts:
	AndroidManifest.xml
	res/values/cm_arrays.xml
	res/values/cm_colors.xml
	res/values/cm_strings.xml
	res/xml/preferences.xml
	src/com/android/mms/ui/ComposeMessageActivity.java
	src/com/android/mms/ui/MessagingPreferenceActivity.java