OPTICKS-1524: Opticks should not permit drag and drop move events

git-svn-id: http://opticks.svn.sourceforge.net/svnroot/opticks/trunk/future@18238 6d0fddd1-9640-0410-91f9-aa98d5e64d34
OPTICKS-1530: Custom Tile Prevents Windows From Maximizing

git-svn-id: http://opticks.svn.sourceforge.net/svnroot/opticks/trunk/future@18240 6d0fddd1-9640-0410-91f9-aa98d5e64d34
Added .gitignore files to match svnignore properties