[fix]by Jinqn 添加说明文档
[fix]by Jinqn 添加说明文档
[fix]by Jinqn 添加说明文档
[fix]by Jinqn 添加说明文档
[fix]by Jinqn 修改说明文档
修复trace:3572
Merge branch 'dev-1.3.0' of https://github.com/campaign/ueditor into dev-1.3.0
[fix]by Jinqn
Merge pull request #55 from Jinqn/dev-1.3.0

Dev 1.3.0  添加部分文档,修改bug
Merge remote-tracking branch 'origin/dev-1.3.0' into dev-1.3.0
修改background插件绑定的事件
Merge remote-tracking branch 'upstream/dev-1.3.0' into dev-1.3.0