Merge pull request #3 from RubyLouvre/master

merge from master
Merge branch 'master' of https://github.com/RubyLouvre/avalon
Merge pull request #4 from RubyLouvre/master

merge from master
Update avalon.js

修复DOMNodeRemoved事件发生时，对于元素的判断

之前的问题是在chrome下，无法判断其它节点的删除
merge
Merge branch 'master' of https://github.com/ilife5/avalon