Bugfix by turegjorup: Fixed layout issue on mediaoverview. Set max-width on media.
Merge branch 'development' of github.com:Indholdskanalen/indholdskanalen into development

# By Troels Ugilt Jensen
# Via Troels Ugilt Jensen
* 'development' of github.com:Indholdskanalen/indholdskanalen:
  Added black poster