am 0a77ce27: New edge effects for scrolling widgets (overscroll)

Merge commit '0a77ce277c6ed2aa25bbea5f8cd5687c0720cb68' into gingerbread-plus-aosp

* commit '0a77ce277c6ed2aa25bbea5f8cd5687c0720cb68':
  New edge effects for scrolling widgets (overscroll)