updat spiner
Merge branch 'master' of github.com:shirlyLoveU/avalon.oniui
update spinner and checkboxlist
Merge branch 'master' of github.com:shirlyLoveU/avalon.oniui

Conflicts:
	avalon.js
	pager/avalon.pager.html
添加pager、spinner、checkboxlist组件的培训教程