Create `docker hosts inspect` command

Docker-DCO-1.1-Signed-off-by: Nathan LeClaire <nathan.leclaire@gmail.com> (github: )
Merge branch 'hosts-inspect' into host-management

Conflicts:
	api/client/commands.go

Docker-DCO-1.1-Signed-off-by: Nathan LeClaire <nathan.leclaire@gmail.com> (github: )