Merge branch '663-fix-names-of-categories-of-pushnotifications' into 'master'

Ghost User
2018-08-08T23:05:56+02:00

Resolve "Fix names of categories of pushnotifications" Closes #663 See merge request thalia/concrexit!860 (cherry picked from commit ab10c4cae4e0d0719d72d9c74b03d348bad0732b) 6005cf42 Make all names of categories uppercase