word-wrap sections of NMDC URI proposal; update NMDC URI proposal in response to https://www.ietf.org/mail-archive/web/uri-review/current/msg01725.html from Graham Klyne; the TE search-DDoS which eMTee in https://bugs.launchpad.net/dcplusplus/+bug/1419454 documents; enhancements from https://bugs.launchpad.net/dcplusplus/+bug/1419478 to C-C CTM DDOS blocking; and additional path/username syntactic ambiguity observed by klondike on 2015-02-21 in dcdev hub
