Extend type enum in regulatory_search_region to try to provide some future-proofing for CisRed changes.

and added fugu source files

Modify update() method to create a row in analysis_description if the analysis exists but doesn't have a description.
If there is already a description, it gets updated.

Changed update() and remove() methods to include analysis_description table as well.

Updated to deal with new way of handling cisred factors. Parsing now simpler, has support for features which don't have an associated factor.