little modify nav
导航测试页面
Merge branch 'dev' into sidenav
update
剔除无用代码，改变布局方式
Merge pull request #18 from sdc-alibaba/forms

剔除无用代码，改变布局方式.对table-cell设置margin无效,修改为padding
refactor
nav modify
update tag layout
fix checkbox bug in ff
rm sourcemap
datepicker modify
change background color
datepicker modify again
Merge branch 'sidenav' of github.com:sdc-alibaba/sui into sidenav
modify nav
Merge branch 'sidenav' of github.com:sdc-alibaba/sui into sidenav
update
Merge branch 'dev' into sidenav

Conflicts:
	js/sui.js
Merge pull request #17 from sdc-alibaba/sidenav

Sidenav