Add /status to API
Fix to support RabbitMQ unavailability
Add unit test draft
Remove _min and _max from parameters names
Add fix to /status test case
[payloads] validate results, to catch the #517 culprit
Merge pull request #522 from portertech/payloads

Validate check results, to catch the #517 culprit
[status] /status checks result and keepalive queues
Merge pull request #523 from portertech/status

Add /status to API (Building on #520)