微调对话框背景样式
rm alertjs
add msg.js
add demo
sui-msg内的sui-close样式改造
merge ,resolve
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
Merge remote-tracking branch 'sui/dev' into dev

Conflicts:
	less/msgs.less
Merge remote-tracking branch 'sui/dev' into dev
change close btn size in msgs
Merge branch 'dev' into build
build