preliminary navbar with login/logout
restaurant belongs to owner
owner-restaurant migration
Cancan + rolify added but not tested
Fixed boostrap dropdown and made 'create' assign correct owner
fixed current_user issue; logged out user can only show restaurants
Added owner to restaurant and show owner name
Only show new button to logged-in users
added name and name validation to owner signup form
restaurant validates owner presence
very simple parsley validation for restaurants
Merge pull request #2 from mbiel/mbiel/lab3

Mbiel/lab3