Create model for authorization with the gem Cancan. Create a link to the Challenges in the welcome page. Fix and update the README.md
Merge branch 'master' of https://github.com/SoEnguy/be-coach

Conflicts:
	README.md
	app/views/welcome/index.html.erb
Fix merge datas
Try to fix authorizations. Work in progress.
git add . useful
Bug accent
Bug accent 2
Bug accent 3 (sorry github editor is crap)
Add new associative model to link steps to users. Install rolify to define roles to use with cancan.
No error between sorcery, cancan and rolify. Fix commit command commit in README.md.
Forcing admin right temporarily.
Fix ability.rb if user is guest.
Fixed syntax error with user
Completed db linking users with steps
Started linking users and steps
Started profile
fixed merge conflicts
Merged experimental and master
Fixed merging conflicts