Resolve "Reviewers can revoke their own access"

Closes #176 (closed)

changed milestone to %Korrekturtermin SoSe19

added Bug priority:low labels

added 1 commit

• 3b8e213f - added revokation checks in the backend and frontend

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unmarked as a Work In Progress

added 3 commits

• 3b8e213f...d93de798 - 2 commits from branch master
• 5a0d6732 - added revokation checks in the backend and frontend

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enabled an automatic merge when the pipeline for 5a0d6732 succeeds

merged