New-request text search for common keywords

-Ajax endpoint at /is_public_record
-Checks against a few keyword and offers advice on finding info elsewhere'
Merge branch 'template_structure' of github.com:codeforamerica/public-records into template_structure
Styling is_public_record
Merge branch 'template_structure' of github.com:codeforamerica/public-records into template_structure
Adding and removing alert css classes from not_public_record warning

- pretty hacky solution :(