Fix adding of sysadmins. Do not remove sysadmin status until Drupal has that role added back again.
Add grid.css from old ckan repo. We use old Recline from ckan 1.7.1 and new ckan repo does not have this css. I hacked a minification because of grunt issues. Need to return to this.
Merge branch '2.0' of github.com:datagovuk/ckanext-dgu into 2.0