Fix view article categories in Multi sites
Merge branch 'master' of https://github.com/ljean/coop_cms
fix
add an extra_id for select a piece of html
Fix : title is required on article creation form
Fix : title is required on article creation form --> unit testing
Fix edit EditableFormset when no object in the formset (but it may have piecoe_of_html)
Fix post on view
Merge commit 'bd922e7c31baf62e3217230fc4ba716d8ead6831' into santos