by qianjun;finish menu
Merge branch 'master' of https://github.com/RubyLouvre/avalon.oniui.git

Conflicts:
	index.html
by qianjun;change doc
by qianjun;fix merge bug
Merge pull request #126 from gogoyqj/master

屏蔽menu组件的子menu vmodel，将接口全部暴露在最上层vmodel