Add android:layout_alignParentLeft attribute, required for API < 17.
Include proguard-eventbus.cfg for release builds.
Call through to the superclass implementation of onEventMainThread().

Without this no items appear.
Merge branch 'develop' into release-1.2.6

* develop:
  Call through to the superclass implementation of onEventMainThread().
  Include proguard-eventbus.cfg for release builds.
  Add android:layout_alignParentLeft attribute, required for API < 17.