Fix CCD/WebMolKit Sgroups that are missing the SBL.
Updated the location of my blog
Actually use the new smart "requires" flag.
Smarter SmartsPattern - only do the ring/arom finding if the query actually needs it.
Aromaticity is no longer needed here
Fix some code smells.
Make sure aromatic flags are always cleared.
Overhaul and optimise the aromaticity procedures in CDK.