Resolving regressions in ‘cdk-hash’, the way the class need to be mocked was changed.

Signed-off-by: Egon Willighagen <egonw@users.sourceforge.net>
Resolving several JavaDoc errors.

Signed-off-by: Egon Willighagen <egonw@users.sourceforge.net>
Resolving a test failure in absolute SMILES and including the absolute SMILES tests in the inchi module (inchi is used to canonicalised the SMILES)

Signed-off-by: Egon Willighagen <egonw@users.sourceforge.net>