Modified not to print under the decimal points. (#83)

Author: TsutomuNakamura

scripts/battery_percentage.sh

@@ -18,7 +18,7 @@ print_battery_percentage() {
 		fi
 		local percentage=$(upower -i $battery | awk '/percentage:/ {print $2}')
 		if [ "$percentage" ]; then
-			echo $percentage
+			echo ${percentage%.*%}
 			return
 		fi
 		local energy