#772 setup react

Show submissions in Applications to review if review is in draft.

Add JS to stop multiple submits of comments form. If works well it ca…

Wagtail form Page and fix vagrant provision file

Add JS to stop multiple submits of comments form. If works well it can be expanded to all forms. Same code used in the old Drupla site.

Do not show Currently/Clear for file field widgets when no files.

Make submission shortcodes in the format #1234 expand to links to the…

Load all submissions in one query for efficience. Use sub instead of replace so not replacing #1234 with #123 links. Catch short codes on end and start of line.

Make submission shortcodes in the format #1234 expand to links to the submission in reviews and comments.

Use count query instead of retrieving list and counting list length.

Improve styling and sematics of related submissions block.