Changes since version 1.30.0:

* doc: fix incorrect versionchanged (cjihrig)

* test: allow UV_ECONNRESET in tcp_try_write_error (cjihrig)

* unix: add uv_get_constrained_memory() cygwin stub (cjihrig)

* build: fix android cmake build (Ben Noordhuis)

* unix: squelch -Wcast-function-type warning (Ben Noordhuis)

* build: fix compile error with uClibc (zlargon)