fixing duplicate apply message for #310
Merge branch 'develop' of https://github.com/tkowark/hpi-hiwi-portal into develop
does not use labels for required programming languages and languages to avoid auto lowercase #310

http://stackoverflow.com/questions/3710260/rails-i18n-strings-auto-lowercased
added linebreaks to emails #310
Merge branch 'develop' of https://github.com/tkowark/hpi-hiwi-portal into develop
Merge pull request #314 from tkowark/develop

Develop