refs #187. Use get_object_or_404 instead of get_list_or_404 when searching for a unique entry.
refs #187. Use get_object_or_404 instead of get_list_or_404 when searching for a unique entry.

--HG--
extra : convert_revision : svn%3A2a98c5bb-d66c-48ca-a96c-db028a6c31f4/ezweb_platform/src/trunk%403151

jpajuelo/wirecloud,jpajuelo/wirecloud,rockneurotiko/wirecloud,rockneurotiko/wirecloud,rockneurotiko/wirecloud,rockneurotiko/wirecloud,jpajuelo/wirecloud,jpajuelo/wirecloud