NAPI-167 - update some comments and variable names for methods handling nic tags.
NAPI-167 - update some comments and variable names for methods handling
nic tags.

misterdjules/node-sdc-clients,joyent/node-sdc-clients,arekinath/node-sdc-clients,arekinath/node-sdc-clients,joyent/node-sdc-clients,misterdjules/node-sdc-clients