update at 组件
Merge pull request #8 from shirlyLoveU/master

目录调整，及一些小修改
add simplegrid
Merge branch 'master' of github.com:RubyLouvre/avalon.oniui
有模板的组件必须有template  getTemplate这两东西
Merge pull request #6 from RubyLouvre/master

simpleGrid