passing height to the measure function

This diff:
* adds height as another parameter passed to the measure function, computed the same way width is
* adds tests for this extension, which has involved adding a new measure function to all of js, c, java and c# tests

src/csharp/Facebook.CSSLayout.Tests/TestConstants.cs

@@ -23,6 +23,7 @@ namespace Facebook.CSSLayout.Tests
     public static readonly float BIG_MIN_WIDTH = 100f;
     public static readonly string SMALL_TEXT = "small";
     public static readonly string LONG_TEXT = "loooooooooong with space";
+    public static readonly string MEASURE_WITH_RATIO_2 = "measureWithRatio2";
   /** END_GENERATED **/
     }
 }