* V8: Upgrade to 3.13.7.4
* crypto: Default to buffers instead of binary strings (isaacs, Fedor Indutny)
* crypto: add getHashes() and getCiphers() (Ben Noordhuis)
* unix: add custom thread pool, remove libeio (Ben Noordhuis)
* util: make `inspect()` accept an "options" argument (Nathan Rajlich)
* https: fix renegotation attack protection (Ben Noordhuis)
* cluster: make 'listening' handler see actual port (Aaditya Bhatia)
* windows: use USERPROFILE to get the user's home dir (Bert Belder)
* path: add platform specific path delimiter (Paul Serby)
* http: add response.headersSent property (Pavel Lang)
* child_process: make .fork()'d child auto-exit (Ben Noordhuis)
* events: add 'removeListener' event (Ben Noordhuis)
* string_decoder: Add 'end' method, do base64 properly (isaacs)
* buffer: include encoding value in exception when invalid (Ricky Ng-Adam)
* http: make http.ServerResponse no longer emit 'end' (isaacs)
* streams: fix pipe is destructed by 'end' from destination (koichik)