Issue #8722 by turegjorup: Fixed invalid doctrine mappings
Issue #8733 by turegjorup: Fixed persisting associations
Merge branch 'development' of github.com:Indholdskanalen/indholdskanalen into development

# By Troels Ugilt Jensen (9) and Jesper Kristensen (2)
# Via Troels Ugilt Jensen (2) and Jesper Kristensen (1)
* 'development' of github.com:Indholdskanalen/indholdskanalen:
  Issue #8717 by tuj: Channel overview has been moved to own directive. This choice page now mirrors the select slides step in channel creation
  Issue #8712 by tuj: Removed ChannelSlideOrder and MediaOrder from triggering pushchannels
  Issue #8670 by tuj: Added webm paths to backend
  Issue #8703 by tuj: Changed template to videojs.
  Issue #### by tuj: Do not push channels on user update
  Bugfix by tuj: Fixed bug where play button did not show up on channel overview
  Coding style
  Issue #8633 by tuj: Removed margins.
  Issue #8721 by tuj: Split templates from the general sass project. Now each template is a seperate sass project and the web/ sass project has been moved to the web/sass/ folder.
  Issue #8560 by cableman: Added pager to media overview
  Issue #8560 by cableman: Added pager to screens overview
Issue #8733 by turegjorup: Expanded on comment