A message with only numbers (int) is valid json so check we have "rea…

Bump django-filter from 2.1.0 to 2.2.0

Feature/879 api tests

Bump reportlab from 3.5.31 to 3.5.34

Bumps [django-filter](https://github.com/carltongibson/django-filter) from 2.1.0 to 2.2.0.
- [Release notes](https://github.com/carltongibson/django-filter/releases)
- [Changelog](https://github.com/carltongibson/django-filter/blob/master/CHANGES.rst)
- [Commits](https://github.com/carltongibson/django-filter/compare/2.1.0...2.2.0

)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bumps [reportlab](http://www.reportlab.com/

) from 3.5.31 to 3.5.34.

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Update some prod requirements.

Use the applicant base mail template for application partner notifica…

Use the applicant base mail template for application partner notification so salutation becomes correct.

Update some dev requirements.

Set relative_urls to false for TinyMCE.

Update Django to 2.2.10 and Wagtail to 2.7.1.

Add new stream fields to public pages, apply link and box

Handle empty address field value.

Reduce size of the application project form.

Remove sensitive information from determination and comments e-mails.

Updates to Django 2.2.x LTS and Wagtail 2.7.

Check for js cookie before using it.

Handle empty address on application projects.

Replace jquery cookie with js-cookie lib that is used throughout the …

Updated node packages.