translations #268
Merge branch 'develop-ak' of github.com:tkowark/hpi-hiwi-portal into develop-ak

Conflicts:
	app/views/job_offers/show.html.erb
changed asterisk descriptions
check input values and print only fields that are not blank
Merge branch 'develop-ak' of github.com:tkowark/hpi-hiwi-portal into develop-ak