[Issue #171][WIP] restyled css and finished view
[Issue #171][WIP] finished model tests
[Issue #174][WIP] Finished controller tests
[Issue #171][Finished] Added umls
[Fix] removed reopened stories OLD umls
Fixed redundant equality check
Update _show_trophies.html.erb
[Conflicts] Fixed conflicts
fixed merge conflicts
Merge pull request #418 from MGhanem/c1s14_know_how_trophies

C1s14 know how trophies