v1.14.1:
* fs, win: add support for user symlinks
* cygwin: include uv-posix.h header
* zos: fix semaphore initialization
* zos: improve loop_count benchmark performance
* zos, test: flush out the oob data in callback
* unix,win: check for bad flags in uv_fs_copyfile()
* unix: modify argv[0] when process title is set
* unix: don't use req->loop in uv__fs_copyfile()
* doc: fix a trivial typo
* android: fix uv_cond_timedwait on API level < 21
* win: add uv__once_init() calls
* unix,windows: init all requests in fs calls
* unix,windows: return UV_EINVAL on NULL fs reqs
* windows: add POST macro to fs functions
* unix: handle partial sends in uv_fs_copyfile()
* Revert "win, test: fix double close in test runner"
* win, test: remove surplus CloseHandle

(adam)