2011.11.11, Version 0.6.1 (stable)

* doc improvements (Eric Lovett, Ben Noordhuis, Scott Anderson, Yoji SHIDARA)

* crypto: make thread-safe (Ben Noordhuis)

* fix process.kill error object

* debugger: correctly handle source with multi-byte characters (Shigeki Ohtsu)

* make stdout and stderr non-destroyable (Igor Zinkovsky)

* fs: don't close uninitialized fs.watch handle (Ben Noordhuis)

* #2026 fix man page install on BSDs (Ben Noordhuis)

* #2040 fix unrecognized errno assert in uv_err_name

* #2043 fs: mkdir() should call callback if mode is omitted

* #2045 fs: fix fs.realpath on windows to return on error (Benjamin Pasero)

* #2047 minor cluster improvements

* #2052 readline get window columns correctly

* Upgrade V8 to 3.6.6.7
