change get.mcs method to getMcsAsNewContainerUIT

[adelenelai]

solves issue #105

@zachcp getMcsAsNewContainerUIT is a method in cdkr/rcdkjar/src/org/guha/rcdk/util/Misc.java

FYI I tested get.mcs using this example and got:

Is the fact mcs12 != mcs21 a CDK-side issue?

[rickhelmus]

Hi Adelene,

Thanks for posting this! It actually solves a problem for me where I get a NULL returned for some specific SMILES.

Hopefully @rajarshi can merge this? :-)

[zachcp]

Thanks @adelenelai @rickhelmus. Seems like a useful addition to me, @rajarshi.