Merge branch 'fix/misc-documents-fixes' into 'master'

Ghost User
2018-03-20T13:03:45+01:00

Miscellaneous documents fixes

Closes #612

See merge request thalia/concrexit!765

(cherry picked from commit e9b4c45a225ce037482d3716654482ba9ace01b7)

95fc4a10 Miscellaneous documents fixes