net/shadowsocks: remove buzz words garbage and add changelog

net/shadowsocks/pkg-descr

@@ -1,10 +1,9 @@
-A secure socks5 proxy, designed to protect your Internet traffic.
+Shadowsocks is a fast tunnel proxy that helps you bypass firewalls.
 
-Bleeding edge techniques using Asynchronous I/O and Event-driven
-programming. Secured with industry level encryption algorithm.
-Flexible to support custom algorithms. Optimized for mobile device
-and wireless network, without any keep-alive connections.
-Totally free and open source. A worldwide community devoted to
-deliver bug-free code and long-term support.
+Plugin Changelog
+================
 
-WWW: https://shadowsocks.org/
+1.2
+
+* Switch to shadowsocks-rust
+* Fix compatiblity of plugin (contributed by eguun)