UserInterface fix threading derpage - AOKP

*untested*

 + don't try to read bootanimations before IO finishes
 + don't call startActivity from worker thread

Patch Set 2:
 - removed import android.R
 + extracted the bootanimation install to Async inner class

Patch Set 3:
 + don't make calls to closed streams... duh :-/

Change-Id: Ib6a151b0bf767c6bd6011da31a0a27ab4c6bf3cb

Conflicts:
	src/com/aokp/romcontrol/fragments/UserInterface.java

Conflicts:
	src/com/aokp/romcontrol/fragments/UserInterface.java
Add statusbar and navigation bar opacity slider - AOKP

Change-Id: I861ed8f006cc42bba09890983df7e72d9bf0c472
Signed-off-by: Roman Birg <romanbirg@gmail.com>

Conflicts:
	src/com/aokp/romcontrol/fragments/UserInterface.java
choose different mime type for bootanimation selection

Change-Id: I1b281b82f37b6c526e22f4494fde38caee3274f6