TS_API squash

Added field for autocomplete in users

Added autocomplete_search on users

Migrated personas db

Squashed all of the api commits so far

Conflicts:
	config/routes.rb
	public/api-browser

Finished left to right autocompletion for users in new application

Updated personas db

Cleaned api_documentation

Added documentation for media_resources query parameters

...wip... consistent naming

Don't insist on authentication in development mode

Do not show next link of media_resources if collection would be empty

Renamed file to data_stream

content_stream seams even better than data_stream

More precise documentation of the media_type and some notes too

Generalize setting of media_type

Fix

Fix ...

Documenting pagination

Added media_type to previews

Added default order to previews

Fix ...

Don't show next link for previews if there aren't any

Don't include the total_count anymore

Renamed the only one request spec for the old api

Started with testing, OH DEAR ...

modified:   doc/diagrams/Schema.graffle