blog: Do not pass undefined to path.join
2013.03.01, Version 0.9.10 (Unstable)

* V8: downgrade 3.14.5

* openssl: update to 1.0.1e

* darwin: Make process.title work properly (Ben Noordhuis)

* fs: Support mode/flag options to read/append/writeFile (isaacs)

* stream: _read() no longer takes a callback (isaacs)

* stream: Add stream.unshift(chunk) (isaacs)

* stream: remove lowWaterMark feature (isaacs)

* net: omit superfluous 'connect' event (Ben Noordhuis)

* build, windows: disable SEH (Ben Noordhuis)

* core: remove errno global (Ben Noordhuis)

* core: Remove the nextTick for running the main file (isaacs)

* core: Mark exit() calls with status codes (isaacs)

* core: Fix debug signal handler race condition lock (isaacs)

* crypto: clear error stack (Ben Noordhuis)

* test: optionally set common.PORT via env variable (Timothy J Fontaine)

* path: Throw TypeError on non-string args to path.resolve/join (isaacs, Arianit Uka)

* crypto: fix uninitialized memory access in openssl (Ben Noordhuis)