Reorder requirements.txt and remove unused packages. This is a prepar…

Reorder requirements.txt and remove unused packages. This is a preparation for more package updates and futhor on Django/Wagtail updates to latest version.

Remove staff Slack notifications and staff e-mails for READY_FOR_REVIEW.

Upload document field in Wagtail form page

Allow applicants to edit approved submissions.

Allow applicants to edit approved submissions. This is a temporary fix until we have a new state in place.

Bugfix/996 correctly serialize category

Always send to default plus custom slack channel.

Bugfix/allow no related projects in template

Allow staff to edit accepted submissions.

Fix/1005 mobile submit note button

Show all submission leads, not only round leads, in leads filter.

GH-1001: Don't attempt to serialize files if they have no info

adds updated message style to public site

Sprint 2 winter 2019

Make is possible for staff to set all workflow states on submissions,…

Allow staff to set screening status on all submissions, active and inactive