build: disable -Wstrict-aliasing on darwin

The antiquated gcc/clang that ships with Xcode emits waaaay too many
false positives.
darwin: don't select(&exceptfds) in fallback path

The exceptfds set is for polling OOB data, not errors.

Fixes joyent/node#5155.
unix: don't clear flags after closing UDP handle
2013.02.04, Version 0.10.3 (Stable)

Changes since version 0.10.2:

* include: remove extraneous const from uv_version() (Ben Noordhuis)

* doc: update README, replace `OS` by `PLATFORM` (Ben Noordhuis)

* build: simplify .buildstamp rule (Ben Noordhuis)

* build: disable -Wstrict-aliasing on darwin (Ben Noordhuis)

* darwin: don't select(&exceptfds) in fallback path (Ben Noordhuis)

* unix: don't clear flags after closing UDP handle (Saúl Ibarra
  Corretgé)
Now working on v0.10.4
Merge remote-tracking branch 'origin/v0.10'
include: remove UV_VERSION_* macros

Superseded by uv_version() and uv_version_string().
src: bump version to 0.11.1-pre