Rate-limit per IP address the requests to the feedback API
Merge branch 'master' into rate-limiting

* master:
  Email backend send email to multiple addresses.
  Added field "device"
  Updated README
  View configuration
Use KVService rather than redis in rate limiting
Updated configuration to include KVservice required
Added documentation about rate limiting
Merge pull request #1 from ox-it/rate-limiting

Rate-limit per IP address the requests to the feedback API