uv: Upgrade to v0.11.7
2013.08.06, Version 0.11.5 (Unstable)

* v8: upgrade to 3.20.11

* uv: upgrade to v0.11.7

* buffer: return offset for end of last write (Trevor Norris)

* build: embed the mdb_v8.so into the binary (Timothy J Fontaine)

* build: fix --without-ssl build (Ben Noordhuis)

* child_process: add 'shell' option to .exec() (Ben Noordhuis)

* dgram: report send errors to cb, don't pass bytes (Ben Noordhuis)

* fs: write strings directly to disk (Trevor Norris)

* https: fix default port (Koichi Kobayashi)

* openssl: use asm for sha, md5, rmd (Fedor Indutny)

* os: add mac address to networkInterfaces() output (Brian White)

* smalloc: introduce smalloc module (Trevor Norris)

* stream: Simplify flowing, passive data listening (streams3) (isaacs)

* tls: asynchronous SNICallback (Fedor Indutny)

* tls: share tls tickets key between cluster workers (Fedor Indutny)

* util: don't throw on circular %j input to format() (Ben Noordhuis)