- Re-implement the Automatic plan orientation
 - Arrows (right, left, top, bottom) shift origin instead of '<' and '>'
 - Don't observe the representation but the camera directly
 - BuildRepresentation only when needed (if rep is changed)
 - Expose to API the edge color
 - Fix active/inactive mode with change cursor
 - Avoid highlighting cut plane and changing the mouse pointer in lockToCamera mode.
 - Reactivate rescaling.
 - Add a test for trying: Press ctrl key to change the mode when interacting.

Change-Id: I9c8b8b2ccd04baf32b75178b59afc1fd0e148948