include: uv_{read,read2}_cb now takes a uv_buf_t*
include: uv_ip[46]_addr no longer returns a struct
include: uv_tcp_bind{6} now takes a sockaddr_in*
include: uv_tcp_connect{6} now takes a sockaddr_in*
windows: remove unused variable in tty.c
windows: fix flags assignment in uv_fs_readdir()
windows: fix mingw swprintf() usage
windows: remove unused is_path_dir() function