Merge pull request #5 from imZack/add_disqus

Add disqus comment system.
Merge branch 'master' of https://github.com/wuchong/jacman
Update README.md
Merge branch 'dev'
Merge branch 'master' of https://github.com/wuchong/jacman
fix issue8
fix issue#8 in chrome 35.0.1916
support weiboshow widget
update README.md
update README.dm
support weibo show widget
fix weiboshow display on mac chrome