* Was incorrectly updating the headers when the Authorization header was being sent
* Use X-Auth-Token instead of Authorization header, to allow the management API to work authenticated behind proxies as well
##### Summary
fixes#2673fixes#2149fixes#5017fixes#3830fixes#3187fixes#5154
Implements a command API for health which will accept commands via a socket to selectively suppress health checks.
Allows different ports to accept different request types (streaming, dashboard, api, registry, netdata.conf, badges, management)
Removes support for multi-threaded and single-threaded web servers.
##### Component Name
health, daemon