playing with howi might implement roles
testing out implementing roles
Role controller will not let unauthorised users assign roles
starting to define roles in cancan
Specifically test that only Admin users can assign roles.
Merge branch 'lvg-changes' into add-roles
Name our action that we want to authorize assign_role
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Spell 'authorization' correctly.
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Merge pull request #17 from cyrusinnovation/add-roles

Merge in Lisa's changes, adding roles and CanCan for action authorization.