BUG: Fixed error with intensity sampling; removed code not used under Slicer4

git-svn-id: http://svn.slicer.org/Slicer4/trunk@23485 3bd1e089-480b-0410-8dfb-8563597acbee
BUG: cli-modules were not included in PATH of installed version of MAC so added it to search path

git-svn-id: http://svn.slicer.org/Slicer4/trunk@23486 3bd1e089-480b-0410-8dfb-8563597acbee