refactored model test
Merge branch 'crud-job-offers' of https://github.com/tkowark/hpi-hiwi-portal into crud-job-offers
Merge branch 'crud-job-offers' of https://github.com/tkowark/hpi-hiwi-portal into crud-job-offers
added Sidebar link to jobs Overview
Merge branch 'develop-ja' of https://github.com/tkowark/hpi-hiwi-portal into develop-ja