updated changelog
updated changelog

HiWong/octopress,octopress/octopress,electronspin/octopress,HiWong/octopress,octopress/octopress,shekarrex/octopress,SciRuby/sciruby.com,taoger/octopress,Hyaena/octopress3,zachbrowne/octopress,hazzik/octopress,hazzik/octopress,beni55/octopress,beni55/octopress,dougbeal/octopress,electronspin/octopress,dougbeal/octopress,xiongjungit/octopress-blog,SciRuby/sciruby.com,xiongjungit/octopress-blog,TobiasChe/octopress,Hyaena/octopress3,shekarrex/octopress,taoger/octopress,zachbrowne/octopress,SciRuby/sciruby.com,TobiasChe/octopress