added givename, surname, dateofbirth, dateofdeath to AMU
Changes to views to enable display of AMU person fields where relevant.
Add error handling, use updated AMU model for Persons.
Update finder method.
Added some tagged logging
Merge remote-tracking branch 'origin/master'
added before_save to opdate value
Merge branch 'master' of https://github.com/Det-Kongelige-Bibliotek/valhal