added /maneuver method to regattas end point; refactored to let getManeuvers() return Iterable instead of List

Change-Id: Ida708e2a5e062cca0593a4e5f10517e5237cfe5e

java/com.sap.sse.common/src/com/sap/sse/common/util/RoundingUtil.java

@@ -0,0 +1,29 @@
+package com.sap.sse.common.util;
+
+
+public class RoundingUtil {
+    public static final RoundingUtil distanceDecimalFormatter = new RoundingUtil(2);
+    public static final RoundingUtil knotsDecimalFormatter = new RoundingUtil(2);
+    public static final RoundingUtil bearingDecimalFormatter = new RoundingUtil(1);
+    public static final RoundingUtil speedDecimalFormatter = new RoundingUtil(1);
+    public static final RoundingUtil latLngDecimalFormatter = new RoundingUtil(6);
+    
+    private final double shiftFactor; 
+    
+    private RoundingUtil(int decimals) {
+        shiftFactor = getShiftFactor(decimals);
+    }
+
+    private static double getShiftFactor(int decimals) {
+        return Math.pow(10, decimals);
+    }
+
+    public double format(double value) {
+        return ((double) Math.round(value * shiftFactor)) / shiftFactor;
+    }
+    
+    public static double format(double value, int decimals) {
+        final double shiftFactor = getShiftFactor(decimals);
+        return ((double) Math.round(value * shiftFactor)) / shiftFactor;
+    }
+}