Merge branch 'hotfix/call_form_validation_display'
Update apps/workgroup/templates/workgroup/layout/workgroup_base.html

Change page title on workgroup (if not, we have duplicate content on workgroup page)
add missing 'category' app
Merge branch 'hotfix/missingcat' into develop
Merge remote-tracking branch 'simon/develop' into develop

Conflicts:
	apps/workgroup/templates/workgroup/layout/workgroup_base.html