Change redirect destination when pushing submit buttons. Use Problem:SMALL instead of :small. Show submit result with acquired score in both probelm#show and problem#index pages. Imrpove preventing doubel submission.
git checkout Merge branch 'master' of github.com:AI-comp/wpcs
Remove a link to Scoreboard in top menu for admin. Close #232
Remove a redundant space.
Merge pull request #243 from AI-comp/232_change_color

232 change color