WCMS-113 added basic slug to department, group, and people controllers, and added person bio slug addition field
WCMS-113 showing slugs on departments, groups and person bio forms
looks better with the sort
Merge branch 'master' into slugs

Conflicts:
	app/views/groups/_form.html.slim
fix version 2 (complete)
Updating buweb_content_models
Slugs didn't get added until v0.26.0
added slug permanency note
Merge branch 'master' into slugs
Merge branch 'master' into slugs

Conflicts:
	app/controllers/departments_controller.rb
changed to set slug
Added suggested_slugs as a helper method.
NOTE: the existing method in buweb_content_models should get removed

Added an add-on with the directory url to give you a context of what you are selecting when setting the slug.
Merge pull request #52 from biola/slugs

Added slugs to person, departments and groups