fixed translation
Merge branch 'develop'
added new email text for alumni mail
Merge remote-tracking branch 'origin/develop'
added remind alumni to admin menu
fixes missing flash message when trying to login
added test
Merge pull request #513 from hpi-swt2/fix/invalid_login_flash

Fix/invalid login flash
added release_date to fix seeds
Merge branch 'master' of https://github.com/tkowark/hpi-hiwi-portal
Fixed typo
fixed css bug to display headline in job offers
introducing tinymce editor
delete bootsy remainings
replaced bootsy editor in views
updated sanitize gem
Merge remote-tracking branch 'origin/develop'

Conflicts:
	app/assets/stylesheets/job_offers.css.scss
fixed Bug on employer show for non-logged-in users
added allowd html/css properties for tinymce editor
fix broken tinymce style for button elements (conflict with bootstrap)