 * add scaleShowLabel option to dataset of doughnut chart.
 * add scaleShowLabel option to dataset of doughnut chart.

Eric-Zhong/zui,a4435351/zui,ppmon/zui,easysoft/zui,kunloon/zui,kunloon/zui,XiongWanTai/zui,easysoft/zui,ppmon/zui,fhchina/zui,fannyfinal/zui,xautchao/zui,Eric-Zhong/zui,elton0895/zui,a4435351/zui,fannyfinal/zui,wenlian/zui,fhchina/zui,2947721120/zui,elton0895/zui,wenlian/zui,xautchao/zui,2947721120/zui,XiongWanTai/zui