Modifications to support BIRD molecules.

git-svn-id: file:///home/svn-repositories/biojava/RCSB Viewers/trunk@9979 7c6358e6-4a41-0410-a743-a5b2a554c398
Modifications to support BIRD molecules.

git-svn-id: file:///home/svn-repositories/biojava/RCSB Viewers/trunk@9980 7c6358e6-4a41-0410-a743-a5b2a554c398