Merge pull request #113 from RubyLouvre/master

merge from RubyLouvre/onionui
Merge pull request #114 from RubyLouvre/master

merge from RubyLouvre/onionui
Merge pull request #115 from RubyLouvre/master

merge from RubyLouvre/onionui
增加对键盘事件的支持，以及修正IE6下显示的bug
update doc
Merge pull request #390 from ilife5/master

增加对键盘事件的支持，以及修正IE6下显示的bug