Changes in format and relation fields

The value in lom/technical/format will be changed to 'video/x-flv' for
records containing one of the following URL's in lom/technical/location:
- youtube.com
- youtu.be
- vimeo.com
- player.omroep.nl
- download.omroep.nl

Three relation fields will be added to records with the value
'application/x-Wikiwijs-Arrangement' in lom/technical/format. The
relation fields describe three different formats in wich the kearning
object can be issued, namely:
- IMS content package (application/x-imscp+zip)
- E-pub (application/epub+zip)
- PDF (application/pdf)