ignore temp directory
note added: we should eventually change YouTubeBundle to use the new validated topics field
add new categorization fields to Resource document
document valid values for new categorization fields
update Fixture to use new categorization fields
update ResourceIntegrationTest per Resource changes
update ContentSubscriber logic to use new fields
update Search and Index tests for new fields
update Search Controller to include new facets and filters
cleanup
tests for index filtering on new resource fields
update GetResourcesController with new filters
update SearchApiTest with new filter and facet tests
update Search Controller with new filters and facets
deprecation notes
documentation update
strtolower() on all filters for consistency
return subjectDomains and functionalDomains to UriContentSubscriber
cleanup
Merge pull request #204 from cmac1000/resource-categorization

Resource categorization - Closes #203