Remove dockerclient

This is no longer needed now we have dockerserver.

Signed-off-by: Ben Firshman <ben@firshman.co.uk>
Rename forward backend to dockerclient

Signed-off-by: Ben Firshman <ben@firshman.co.uk>
Remove dockerclient heartbeat

Signed-off-by: Ben Firshman <ben@firshman.co.uk>
Parse the URL with the net/url Parse() function.

Docker-DCO-1.1-Signed-off-by: Karl Matthias <karl@matthias.org> (github: relistan)
We need to carry the path part of the URL for unix sockets.

Docker-DCO-1.1-Signed-off-by: Karl Matthias <karl@matthias.org> (github: relistan)
Add Orchard service to readme

Signed-off-by: Ben Firshman <ben@firshman.co.uk>
Added port mapping output to dockerserver

Docker-DCO-1.1-Signed-off-by: Fernando Mayo <fernando@tutum.co> (github: fermayo)
Tests for forward backend

Signed-off-by: Aanand Prasad <aanand.prasad@gmail.com>