fixing attachement issue
Merge branch 'develop' into fix/attachement
fixed some typos
Merge pull request #410 from hpi-swt2/fix/attachement

fixing attachment issue
improved application mailer

- add_cv working as expected again
small improvements #407

- removed Realschulabschluss
- added package_id to seeds
- added several translations
renamed packages
fixed small typo
renaming of company forms
merged develop