Merge pull request #50 from smirfolio/master

Updates protos, drupal core + debuging
Drupal 7.31
Merge pull request #51 from obiba/drupal-upgrade

Drupal 7.31
MICASERVER-77 Variable search result provides variable/study/dataset labels
Merge pull request #52 from obiba/variable-search-result

MICASERVER-77 Variable search result provides variable/study/dataset lab...
MICASERVER-74 Description of a dataset or a variable is outside of the article, like in study:
MICASERVER-77 Search links in studies and datasets pages only. Style cleaning.
Merge pull request #53 from obiba/search-links

Search links
Add color in checkbox facet style