Adding usage examples for api and cli on how to register nodes  -- Since node register is the only call that changes the interface exposed to users.
Adding usage examples for api and cli on how to register nodes
 -- Since node register is the only call that changes the interface exposed to users.

henn/hil_sahil,meng-sun/hil,meng-sun/hil,henn/haas,henn/hil_sahil,kylehogan/haas,henn/hil,CCI-MOC/haas,kylehogan/hil,SahilTikale/haas,henn/hil,kylehogan/hil