changed schema
Merge branch 'develop-ja' of https://github.com/tkowark/hpi-hiwi-portal into develop-ja
 added plpgsql extension to schema.rb
Merge branch 'develop-ja' of https://github.com/tkowark/hpi-hiwi-portal into develop-ja
Merge branch 'develop-ja' of https://github.com/tkowark/hpi-hiwi-portal into develop-ja
added a sample job offer
Merge branch 'develop-ja' of https://github.com/tkowark/hpi-hiwi-portal into develop-ja