updated android support library v4 to rev12
modified ant.properties to exclude facebook library from coverage analysis
modify UiLifecycleHelper that it can use any SessionFactory to create new Session instances.
Support adt update
update android-support-v4.jar to rev 13
Merge pull request #2 from jyukon/master

update android-support-v4.jar to rev 13
update android-support-v4.jar to rev 18
Merge remote-tracking branch 'facebook/master' into HEAD

Conflicts:
	facebook/.classpath