Merge pull request shadowsocks#458 from GangZhuo/master

bump 3.0

Merge pull request shadowsocks#320 from icylogic/release/2.5.8

bump 2.5.8

Merge pull request shadowsocks#316 from icylogic/release/2.5.7

Release/2.5.7

bump 2.5.6

update CHANGES

bump 2.5.3

fix log not scrolled to bottom when first shown

bump 2.5.1

update CHANGES

update CHANGES