[Issue #174][WIP] Finished css for show prizes view
[Issue #174][WIP] Restyled views and fixed css
[Issue #174][WIP] finished controller tests
[Issue #174][Finished] Added UML
[Issue #174][Finished] fixed redundant == 0 check
[CONFLICTS] Fixed conflicts for pull request
fixed conflicts for merge
fixed conflicts again
Merge pull request #417 from MGhanem/c1s13_know_how_prizes

C1s13 know how prizes