Mention django-jsonfield in the README.rst.
Fixed participant edit view
Update projector when the title of the default slide changes
Merge pull request #1002 from ostcar/json-field

Mention django-jsonfield in the README.rst.
Merge pull request #1003 from ostcar/participant_update

Fixed participant edit view
Merge pull request #1004 from ostcar/update_projector_default_slide

Update projector when the title of the default slide changes