Refactor role

Class role should have an attribute name instead role

mentioned in merge request !192 (merged)

assigned to @carlos.vega

added To Do label

changed milestone to %0.13.0

Related: https://git-r3lab.uni.lu/NCER-PD/scheduling-system/merge_requests/192#note_20010

mentioned in commit c9069218

added Done label and removed To Do label

mentioned in merge request !211 (merged)

mentioned in commit a83fa75a

closed via merge request !211 (merged)