Merge pull request #121 from emorency/master

MLSTRM-1143, MLSTRM-148
* Patch Feeds to support UUID as unique id (MICA-1181)
* Upgraded field_group, bootstrap, image_url_formatter
Upgraded Search API
Hack to to revert again search_api_index config as fields are getting lost...
Fix wrong commit
Merge pull request #122 from obiba/feature/search-api-upgrade

Search API upgrade
MICA-1185: Show/hide draft
MLSTRM-148: Show the Download CSV only for authenticated users
Restricting css selectors for unpublish content highlight