Missing headers.
Adding code to unbind drawables.
Merge branch 'master' into memory-optimization
Enable explicit unbind of views and drawables.
Minor refactor.
Optimization of promotios images load.
Calling Bitmap.recycle when possible.
Allowing to specify sample size in ImageLoader.
Fixed refresh error in menu player notification.
Merge branch 'master' of github.com:frostwire/frostwire-android

Conflicts:
	tests/src/com/frostwire/android/tests/activities/LeakyActivity.java
	tests/src/com/frostwire/android/tests/misc/MemLeakTest.java