Add draft facet directives and use it for subtemplates filters.
GroupOwner is a queryable. It should not be filtered from query. Only group parameter is used to defined user privileges on _op* fields.
fix test failure for lucene index language tracker on linux
add travis ci configuration file
_groupPublished field contains operation name and not group name anymore (#474).
Add clear xlink cache description.
Thesaurus manager: uploading a thesaurus file using a url fails (#468).
Geopublisher / Missing styler link (#479).
Merge remote-tracking branch 'upstream/develop' into develop

Conflicts:
	.travis.yml