Increase the pagination limit to 15 on the classrooms available page
Make the user verification actually work

The conditions weren't used thus causing the very first token to be
used when checking for the verification token.
Add account removal support
Use danger flashes on errors and info flashes for informational messages
Put content on homepage in panels
Improve the error500 page message usage
Create some unit tests
Merge branch 'master' of github.com:MMS-Projects/mauris-web