-Fix countPercentage() bug replace float64(100 - 5*2) into float64(100 - issues*2)
-Fix countPercentage() bug replace float64(100 - 5*2) into float64(100 - issues*2)

360EntSecGroup-Skylar/goreporter,wgliang/goreporter,360EntSecGroup-Skylar/goreporter,wgliang/goreporter,360EntSecGroup-Skylar/goreporter,wgliang/goreporter