fix order of arguments to metadata_links

see boundlessgeo/gsconfig#53
Add a the Leaflet.Fullscreen plugin as a default with Leaflet preview on layer_detail view
Use Javascript to detect plugin presence
document type (subtype) search
added doc file types
added archive facet
PEP8 Fixes for E128
small PEP8 fix
final pep8 fixes
fixes to document views
PEP8 fix
added error messages.  fixed title
suggested changes made
group activitu feed, members layout, help_text, fixes
PEP8 fixes
reworked profile contact info and layout
added in groups section to profile page
PEP8 fixes
added in user activities link
added pptx