conpaas director: add /new_user, accept POST to /list and /getcerts.
conpaas director: add /new_user, accept POST to /list and /getcerts.


ConPaaS-team/conpaas,ConPaaS-team/conpaas,ConPaaS-team/conpaas,ConPaaS-team/conpaas,ConPaaS-team/conpaas,ConPaaS-team/conpaas,ConPaaS-team/conpaas