Hotfix for study_date validation.
Hotfix for study_date validation.

Faxomat fails to capture the study date from the study text. Weird. This
patch provides a hotfix by disabling the study date validation and
providing a fallback (current date).

bjoernalbers/faxomat,bjoernalbers/faxomat,bjoernalbers/faxomat,bjoernalbers/faxomat