Update index.html

删除<div id="header">
去掉头部下载和GitHub信息
Update index.html

修改头
add t.html
Create gh-pages branch via GitHub
add a n.html
add jekyll mode
Merge github.com:Yhzhtk/blog into gh-pages
mend

update layout
mend

u
mend

update much
version 1.0
version 1.1
mend

update v1.2
update 1.2
mend

1.2
build by jekyll
build by jekyll
add 2013-6-04-jekyll-encode.html
Merge branch 'gh-pages' of github.com:Yhzhtk/blog into gh-pages
add new blog