Update to 0.7

-Converted entire architecture to support component based extension in
blueprints, please refer to the documentation
-Each event now emits a UMyoController pointer allowing for additional
controller data to be obtained in the context of the event and to also
easily perform checks such as IsLeftMyo
-Updated to UE4.5
-MyoComponent/Convenience base classes can now obtain left/right and
primary myo conveniently.