MTRgKAM and MTRdensity must have gotten defined twice in a merge resolution so fixed that
code cleanup
adding filter "Perform MTR Bridge" to copy over grain data to parent data while needing both at the same time
Merge branch 'develop' of ssh://github.com/dream3d/DREAM3D into develop

# By Mike Jackson
# Via Mike Jackson
* 'develop' of ssh://github.com/dream3d/DREAM3D:
  Removing files that were moved to another directory