Add basic_abilities method to Ability Model
Add basic_abilities method to Ability Model

The Ability#basic_abilities method loads all abilities that apply to
every user. At this point that is only can :manage, User, id: user.id
which allows a logged in user to manage there own user profile.

CollegeSTAR/collegestar_org,CollegeSTAR/collegestar_org,CollegeSTAR/collegestar_org