add more slides
add storm slide
Merge pull request #66 from zensh/gh-pages

javascript async
Add Cheng's slides.
Merge pull request #67 from zcbenz/gh-pages

Add Cheng's slides.
update for my slide in jsconf.cn
Merge pull request #68 from clonn/gh-pages

update for my slide in jsconf.cn
update en slides
add family photo
add berg and yutou slides
new page open phtot
add five-lines slides
Merge pull request #69 from groundwater/gh-pages

add five-lines slides
add five-lines
add slides: GuoYu-开源项目的管理与维护-我的开源一年.md
Merge pull request #70 from turingou/gh-pages

Add slides: GuoYu-开源项目的管理与维护-我的开源一年.md
add ppt