PUBAPI-898: Allow sub-users login modifications
PUBAPI-898: Allow sub-users login modifications

misterbisson/sdc-cloudapi,joyent/sdc-cloudapi,joyent/sdc-cloudapi,arekinath/sdc-cloudapi,KrisShannon/sdc-cloudapi,arekinath/sdc-cloudapi,misterbisson/sdc-cloudapi,KrisShannon/sdc-cloudapi