Add "checkAccountData" method to OpacApi and all APIs (untested)
create Unit test which tests wrong login data
Fix for Bibliotheca's checkLoginData
Try to find error in BiBer
recognize BiBer error messages
One more fix for BiBer error messages
... and one more BiBer error message (there are so many different
versions of the same error page)
HTTPS for Hannover_TierarztHS (otherwise, login does not work)
our PICA implementation does not support login for Stralsund_FH and
Greifswald_Uni
UI for checking account data
Also remove the "und Konto" from the JSON files for Greifswald_Uni and
Stralsund_FH
Merge pull request #250 from johan12345/master

Check account data before saving