Added roundDown

Added another round function as required.

com/Acrobot/Breeze/Utils/NumberUtil.java

@@ -65,7 +65,7 @@ public class NumberUtil {
     }
 
     /**
-     * Rounds the number up to two digit points (Can be inaccurate due to using decimal-points)
+     * Rounds the number up to two decimal points (Can be inaccurate due to using decimal-points)
      *
      * @param number Number to round
      * @return Rounded number
@@ -73,6 +73,15 @@ public class NumberUtil {
     public static double roundUp(double number) {
         return Math.ceil(number * 100) / 100;
     }
+    /**
+     * Rounds the number down to two decimal points
+     * 
+     * @param number Number to round
+     * @return Rounded number
+     */
+    public static double roundDown(double number) {
+        return Math.floor(number * 100) / 100;
+    }
 
     /**
      * Converts the number (in seconds) to timer-like format, like 2:00 (minutes:seconds)