Cursor Animation Tweak (#389)

* minor formatting changes to HandDraggable.cs

* more responsive cursor from dot to circle, allows for interruption of animation state.

* reverted HandDraggable (changes addressed in separate PR)

Author: Stephen Hodgson

Assets/HoloToolkit/Input/Animations/Cursor/CursorSimple.controller

@@ -81,7 +81,7 @@ AnimatorStateTransition:
   m_ExitTime: 0.33066684
   m_HasExitTime: 0
   m_HasFixedDuration: 1
-  m_InterruptionSource: 0
+  m_InterruptionSource: 2
   m_OrderedInterruption: 1
   m_CanTransitionToSelf: 1
 --- !u!1101 &1101000011538347200
@@ -156,7 +156,7 @@ AnimatorStateTransition:
   m_ExitTime: 0.17148435
   m_HasExitTime: 0
   m_HasFixedDuration: 1
-  m_InterruptionSource: 0
+  m_InterruptionSource: 2
   m_OrderedInterruption: 1
   m_CanTransitionToSelf: 1
 --- !u!1101 &1101000011705696456