Modifications to support BIRD molecules.

git-svn-id: file:///home/svn-repositories/biojava/RCSB Viewers/trunk@9986 7c6358e6-4a41-0410-a743-a5b2a554c398
Modifications to support BIRD molecules.

git-svn-id: file:///home/svn-repositories/biojava/RCSB Viewers/trunk@9987 7c6358e6-4a41-0410-a743-a5b2a554c398