2015.01.15, Version 1.2.1 (Stable)

Changes since version 1.2.0:

* unix: remove unused dtrace file (Saúl Ibarra Corretgé)

* test: skip TTY select test if /dev/tty can't be opened (Saúl Ibarra
  Corretgé)

* doc: clarify the behavior of uv_tty_init (Saúl Ibarra Corretgé)

* doc: clarify how uv_async_send behaves (Saúl Ibarra Corretgé)

* build: make dist now generates a full tarball (Johan Bergström)

* freebsd: make uv_exepath more resilient (Saúl Ibarra Corretgé)

* unix: make setting the tty mode to the same value a no-op (Saúl Ibarra
  Corretgé)

* win,tcp: support uv_try_write (Bert Belder)

* test: enable test-tcp-try-write on windows (Bert Belder)

* win,tty: support uv_try_write (Bert Belder)

* unix: set non-block mode in uv_{pipe,tcp,udp}_open (Ben Noordhuis)