deps: upgrade http_parser to joyent/http-parser@da91852
node: don't check return value of unsetenv()

It returns void on some platforms, notably FreeBSD.
Upgrade V8 to 3.6.6.25
Patches floating on v8
disable omit-frame-pointer on solaris systems
Fix bug in x64 RegExp detecting start of string.

Also add missing MIPS case in regexp tracer.

Fixes issues v8:1748 and v8:1746

BUG=v8:1748, v8:1746
TEST=mjsunit/regress/regress-1748.js

Review URL: http://codereview.chromium.org/8116001

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@9504 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
deps: fix v8 build error

Pull in build error fix from http://code.google.com/p/v8/source/detail?r=9505
Missed in 5d69bbfbd.
typo in node_http_parser
docs: Remove duplicate socket.write() description
doc: typo in child_process documentation
test: cluster: add worker death event test
Add customary 'fork me on github' banner to website
uv: upgrade to aea5db5da1
uv: upgrade to d41cc9118d
Windows: turn off /Gm

Otherwise multicode compile doesn't work.
Child process: support the `gid` and `uid` options
process_wrap: avoid leaking memory when throwing due to invalid arguments
process: don't use strdup()

file and cwd can be directly used from Utf8Value.

Conflicts:

	src/process_wrap.cc
Upgrade npm to 1.1.18
Indentation fix