ENH: Changed the label fo the fiber bundle ROI editing buttons to make the more clear

git-svn-id: http://svn.slicer.org/Slicer4/trunk@21576 3bd1e089-480b-0410-8dfb-8563597acbee
BUG: Corrected bug 2381 the DTI volume glyphs now use the correct color map when in color by orientation mode

git-svn-id: http://svn.slicer.org/Slicer4/trunk@21577 3bd1e089-480b-0410-8dfb-8563597acbee