Merge pull request #799 from hitesh96db/master

Process param explained & widget_id param change
Schema changes for cap area, using a link table for locations and a tag-value table for geocodes. (WKT conversion is left for the next step. For now, CAP polygon and circle strings are in gis_location_tag.)
Merge pull request #800 from ptressel/cap_area

Cap area
Added to CSS