Added badge to review menu link, fixed declined challenges list, made alerts for supervisor more clear
Made decline without comment alert an actual alert
Save db schema
Merge remote-tracking branch 'origin/master' into usertestfixes
Fixed test
Added tests for messages
Is the explanation of states really on the page? Yup, it is!
Merge pull request #233 from boersmamarcel/usertestfixes

Tweaks for supervisor and reviewing