When an error ocurred, give an error message
Refactor changeRole() to return a 403 HTTP errorcode
if a user has no sufficient rights
Merge pull request #13 from boom1992/master

When an error ocurred, give an error message
Merge pull request #14 from tobiasmuecksch/master

Fix user controller
Port to new flight version
Merge pull request #15 from boom1992/master

Port to new flight version for User controller
Add createProject route to flight and implement it
Merge pull request #17 from boom1992/master

Add createProject route to flight and implement it
Merge branch 'master' of github.com:tobiasmuecksch/backend
Merge remote-tracking branch 'upstream/master'