[Applications] german translations
[Applications] css changes.
[Applications] use Link instead of a button to reference privacy policies
[Auth] allows sending profil-updates with external logins
solves problem with external login
[bin] db-script add secrets to ams-user
[Auth] adds more information about the login to the Log-File
[auth] debugging
[Applications] validates email adress of an application
* german translations
* css changes
* fixes link to jobad in application form
migrationscript make all ams user recruiter
Merge branch 'release/0.7' into develop