Overworked footer #112
Merge branch 'develop' into develop-js

Conflicts:
	app/views/layouts/application.html.erb
	config/locales/views/layouts/de.yml
	config/locales/views/layouts/en.yml
#112 Added imprint to footer after mergin develop intpo develop-js, since the imprint did just exist in develop
Merge remote-tracking branch 'origin/develop-ak' into develop
fixed schema
Merge branch 'develop-ak' of https://github.com/tkowark/hpi-hiwi-portal into develop
Merge remote-tracking branch 'origin/develop-ak' into develop
Merge branch 'develop-ak' of https://github.com/tkowark/hpi-hiwi-portal into develop
Merge branch 'develop-ak' of https://github.com/tkowark/hpi-hiwi-portal into develop
Login before working #115
addtional chair controller test
Merge branch 'develop-ak' of https://github.com/tkowark/hpi-hiwi-portal into develop-ak
added nil handling for search_students_for_mulitple_languages_and_identifiers
added additional studentcontroller test
Merge branch 'develop' of https://github.com/tkowark/hpi-hiwi-portal into develop-ak
reverted funky require_login changes after develop-merge