added method for retrieving user roles for a given user.
added method for retrieving user roles for a given user.

Trott/ilios,dartajax/ilios,justinchu17/ilios,thecoolestguy/ilios,justinchu17/ilios,justinchu17/ilios,dartajax/ilios,ilios/ilios,thecoolestguy/ilios,stopfstedt/ilios,stopfstedt/ilios,Trott/ilios,justinchu17/ilios,ilios/ilios