shadowsocks-rust 1.6.6

v1.6.6

on Rust Cargo

Remove aes-128-ctr cipher, because libsodium has removed it in release 1.0.15

Enable LTO in release build

Add necessary files for building .deb package for Debian based systems

Properly handle exit signals with exit(0), and also handle CTRL_C and CTRL_BREAK on Windows

Replace DNS local cache with default DNS resolver. Linux, OS X and Windows all have global DNS cache solution

Allow logging without time prefix. Adding --log-without-time argument for sslocal and ssserver

Optimize build release packaging script, removed ._sslocal, ._ssserver and ._ssurl