Adding Mark W to pom contributors.
Adding Mark W to AUTHORS.
Latest version of cdk-build-utils. Includes updated formatter config for Java 1.6 rather than 1.8.
Make it visible to subclasses of AbstractAtomContainerSetTest

Change-Id: I52682c6d79a6e4ba3bb0d98ef3488356002a74e2
Signed-off-by: John May <john.wilkinsonmay@gmail.com>
Added the ISubstance interface

Change-Id: Id13f0e7d997ceeed19d918b51daa66b091c5341a
Signed-off-by: John May <john.wilkinsonmay@gmail.com>