fix gallery in ie
微调对话框背景样式
初步完成自定义css下载
rm alertjs
add msg.js
add demo
sui-msg内的sui-close样式改造
merge ,resolve
update
close btn font-weight normal
refactor close btn color
Merge pull request #25 from sdc-alibaba/msgs

msgs组件添加js关闭逻辑,丰富sui-close在sui-msg里的展现
update docs
update version
update
fix theme select align bug
add disabled for dropdown
Merge branch 'dropdown' into dev
fix form validate submit btn align
update input-date icon