Initialize js tetst for discussion
Test for discussion entry submission
Notes count badge
Keep new lines in submitted notes
Discussion items styling
Create a specific html formatted field in api
Add the ability to edit message discussions
Specific fields for author id and email
Only display actions for author's discussion items
Define explicit fields in Note serializer
Remove note link
Spacing between buttons.

Was working ok on local, but the spacing was crushed on production,
because the html is compressed.
Delete discussion on review cancel
Merge branch 'discussion'