Changed Django get params used in wms_links lookup to move url to defaults dict.  Prevents duplicate WMS links via repeated updatelayers calls
FGDC Topic Category extraction
Assigns TopicCategory to Layer using extracted metadata.
Added category_list to advanced search context for category filter
Added category filter
Added support for capturing multiple keywords from FGDC metadata.
Updated messages
Fixed translation problem in upload templates
Merge branch 'master' of github.com:GeoNode/geonode
add setup on vagrant guide
added OL to search
added UI for search by extent
UI cleanup for extent search
#1276 replace pil with pillow
Merge pull request #1277 from calvinmetcalf/pillow

#1276 replace pil with pillow
added extent filter to search results page
Add the document model to the actstream settings.
fix rating in detail pages for unauthenticated
Merge branch 'master' of https://github.com/GeoNode/geonode
add missing port in vagrant doc