Fixes re-ordering of backgrounds articles after calling the content filtering service
Creates modeler service to create the new model agreed with Michiel
Merge remote-tracking branch 'origin/master'
experiment in taking out dimension logic
Enriches original video with entities and dimensions
Refactors modeller to use promises (WIP)
Adds thd to enriched background items
Add admin view
Adds doc-env virtualenv dir to gitignore
Include enrichments in different dimensions
Avoids hoisting
Updates dimension items structure
Merge branch 'admin'
Replaces underscore each with angular each
Fixes promises return
Merge branch 'master' of github.com:TizianoPerrucci/tkk-demo into dimension

Conflicts:
	client/css/linkedtv.css
Merge branch 'dimensions' of github.com:TizianoPerrucci/tkk-demo into dimension
Refactors fetch backgrounds to properly return promises
Saves automatically new video model when all enrichments are done
formatting of item list
Adds seed video files for culture and news app
Load from seed file
Adds sparql endpoint
Adds seed property to application