Add dealloc to AMPopTip.

If you remove AMPopTips from the screen using any other method than the `removeGesture`, it was possible to crash your app by having the gesture recognizer call out to a deallocated target. This protects against that.
Merge pull request #12 from zdavison/master

Add dealloc to AMPopTip.
Bumped version
remove autohie of popup
Merge pull request #13 from mrDeadLinez/master

remove autohie of popup
Merge branch 'master' into feature/split-padding

* master:
  remove autohie of popup
  Bumped version
  Add dealloc to AMPopTip.