Merge pull request #9 from RubyLouvre/master

merge from RubyLouvre/onionui
Merge pull request #10 from RubyLouvre/master

merge from master
增加position配置
Merge pull request #11 from RubyLouvre/master

merge from master
修正dropdown的样式及位置
增加对键盘事件的支持
fix selectedItemIndex slice
支持dropdown键盘事件
Merge pull request #12 from RubyLouvre/master

merge from RubyLouvre/onionui
reset miniswitch
Merge pull request #79 from ilife5/master

升级dropdown样式及支持键盘事件