autocomplete in header
fix date len check in search query
limit autocomplete search results to 20
allow sort none in search api
header search autocomplete using select2
remove autocomplete.js
remove duplicate js src
Merge remote-tracking branch 'simod/master' into master-search
Merge remote-tracking branch 'simod/master' into master-search
Merge branch 'master' of https://github.com/GeoNode/geonode into master-search
Merge pull request #724 from simod/master-search

Autocomplete in search header