Added node_delete to cli.py
Added node_delete to cli.py

node_delete was in api.py, but not in cli.py.  This commit adds it to cli.py.

meng-sun/hil,henn/hil_sahil,henn/hil,CCI-MOC/haas,kylehogan/hil,apoorvemohan/haas,apoorvemohan/haas,kylehogan/hil,henn/hil_sahil,henn/hil,henn/haas,SahilTikale/haas,kylehogan/haas,meng-sun/hil,SahilTikale/switchHaaS,lokI8/haas