Add a rotation factor to improve 3D manipulation of long objects

A "RotationFactor" property is added to the interactor style and the
Adjust Camera dialog box in the UI.

Change-Id: If3558c89693687459619f94a9976e8aaa498706b
Add an option to enble/disable subtick marks of the color bar.

Add this feature to the vtkPVScalarBarActor.
Also add a new property to the proxy.

Change-Id: Icf490b5c1b41704220d57bc2920e83f5752a5d69
Merge topic '0015141_add_rotation_factor' into next

cf21703a Add a rotation factor to improve 3D manipulation of long objects
Merge topic '0015144_subticks_marks_deactivation' into next

f70b370a Add an option to enble/disable subtick marks of the color bar.