修改注释格式
Merge remote-tracking branch 'upstream/dev-refactor' into dev-refactor
添加popover组件
调整参数名，popover => container
调整container参数名 container => el
调整widget格式，优化代码组织，添加case覆盖率，添加部分逻辑
修改注释
优化widget
优化widget
小调整
Replace widget.js
修改代码格式
Merge pull request #107 from liaoxuezhi/dev-refactor

Popover code review
Merge branch 'dev-refactor' of https://github.com/gmuteam/GMU into dev-refactor

Conflicts:
	src/core/widget.js
	test/core/widget.js
﻿[bugfix]修复suggestion quickdelete中$el取值不对的bug