Guest user can add progress report

[tmfrnz]

As a guest user

I can contribute information in form of progress reports to any indicator. The user assigned to the indicator (or the user assigned to the human rights body?) will be notified about the submitted report.

[tmfrnz]

see also https://github.com/impactoss/impactoss-server/issues/154

[tmfrnz]

related to #47

[tmfrnz]

see also https://github.com/nmrf/sadata/issues/19

[tmfrnz]

• [x] allow adding from indicator view
  • [x] make links public in indicator view
  • [x] set up login/register flow: redirect to login > redirect back to new report
  • [x] force draft status in report new view
  • [x] add guest note in report new view
  • [x] redirect back to indicator view on successful save
  • [x] consider adding message to login/register views
  • [x] show success message on indicator view
  • [x] configure server to allow guest user report, WIP see https://github.com/impactoss/impactoss-server/issues/154
• [x] consider allowing to add from list views (see https://github.com/nmrf/sadata/issues/19, https://github.com/impactoss/impactoss-client/issues/381)