Adding helpers to sum over facets and shortcodes to get totalcount of
objects from a query.
Moving global constraints to the WPPortalClient.
Adding dashboard widgets.
Adding a robots.txt with directions for the sitemap.
Removed the ObjectType filter.
Adding the WPDKASitemap class, to generate sitemaps dinamically.
Minor changes to the get_metadata method of the Data/Object.
Merge branch 'master' of github.com:DR-Innovation/Danskkulturarv.dk-v3