bump version
Merge branch 'gh-pages' of https://github.com/madeye/shadowsocks-org into gh-pages

Conflicts:
	debian/dists/wheezy/main/binary-i386/shadowsocks-libev_1.6.1-1.dsc
	debian/dists/wheezy/main/binary-i386/shadowsocks_1.4.6-1.dsc
	debian/dists/wheezy/main/binary-i386/shadowsocks_1.4.8-1.dsc