OGDCH-127: Show organization and license facets in search
OGDCH-152: Fix alt-text of header image for accesibility
Merge pull request #1 from ogdch/OGDCH-152-alt-text

OGDCH-152: Fix alt-text of header image for accesibility
Merge pull request #3 from ogdch/OGDCH-127-licence-facet

OGDCH-127: Show organization and license facets in search
Initial adaptations to Offene Daten Mettmann after forking from
ckanext-ogdch.
Merge branch 'develop'