* npm: Upgrade to v1.1.48
* Add 'make binary' to build binary tarballs for all Unixes (Nathan Rajlich)
* zlib: Emit 'close' on destroy(). (Dominic Tarr)
* child_process: Fix stdout=null when stdio=['pipe'] (Tyler Neylon)
* installer: prevent ETXTBSY errors (Ben Noordhuis)
* installer: honor --without-npm, default install path (Ben Noordhuis)
* net: make pause work with connecting sockets (Bert Belder)
* installer: fix cross-compile installs (Ben Noordhuis)
* net: fix .listen({fd:0}) (Ben Noordhuis)
* windows: map WSANO_DATA to UV_ENOENT (Bert Belder)