Release 1.1.0

• Merge pull request #8 from aligent/feature/BEG-81_category_indexing by @aligent-lturner
• BEG-81: Update readme to include additional index information by @aligent-lturner
• BEG-81: Add catalog_category_product table to subscriptions by @aligent-lturner
• BEG-81: Add re-caching of category URLs by @aligent-lturner