Changes to MCSS to improve performance.  Also found
a problem with cdk's code not being thread safe.  Had
to include a patched version of 
src/chemViz/tasks/CDKRMapHandler.java as a stopgap
until this is fixed in the upstream code.


git-svn-id: http://chianti.ucsd.edu/svn@31114 0ecc0d97-ab19-0410-9704-bfe1a75892f5