CDB-3542
Merge branch 'master' into CDB-3542
CDB-3542
CDB-3542 permissions dropeed ok
user: public: better titles
user: public: add rel attr to tags
better seo for public pages
Merge branch 'CDB-3984' into CDB-3986
Merge branch 'CDB-3987' into CDB-3986

Conflicts:
	app/assets/stylesheets/public_dashboard/public_dashboard.css.scss
	app/views/admin/pages/public.html.erb
	app/views/admin/pages/public_organization.html.erb
CDB-4130
user: public page: fix letter spacing
user: public page: fix line height
user: public page: fix line height
user: public page: add missing rels
CDB-3775 not interrupting vis deletion flow
CDB-3775 Controlling table renaming also
CDB-3844 Need to invalidate AFTER cleaning attributes of the instance, not before, or data gets re-cached
CDB-3844 spec stabilization
Adde new nicer hover effect + avoiding import files when user doesn't have enough quota
Fixed problem with empty block styles