btn
#2 item btn fn
> doCreate
> doSave
> doUpdate
> doDelete
#1 ItemBtnFn
> selectItem
> readItem
> doRead
> doCreate
> doSave
> doUpdate
> doDelete
Merge branch 'HaoBranch'
Merge branch 'origin/master'

Conflicts:
	extjs-app/.architect
Merge branch 'origin/master'
#1 modify column attribute
Merge branch 'origin/master'