try this now ..Ive got time to fix it.
fix possible NPE

mTopFullscreenOpaqueWindowState is on certain conditions null
and will throw an NPE....check for it to prevend it

Change-Id: Ibfb9ad375a9bdfc4e759f55934e759b69c448b49
halo, bugfixes

1. fixed size for content
2. flip animations for tasking only
3. batch size calculations
4. not a bug but pinned and system both get the same icon for now

Change-Id: I755cd4e88c909ab8b982e014d470791661a0041e