GUI -- SvgUtil- added scale, skewX and rotate functions.

Change-Id: If7c3af6bba81905b3bbb887edcf9bf5acbb927e1

@@ -258,6 +258,18 @@
                 return 'translate(' + x + ',' + y + ')';
             }
 
+            function scale(x, y) {
+                return 'scale(' + x + ',' + y + ')';
+            }
+
+            function skewX(x) {
+                return 'skewX(' + x + ')';
+            }
+
+            function rotate(deg) {
+                return 'rotate(' + deg + ')';
+            }
+
             function stripPx(s) {
                 return s.replace(/px$/,'');
             }
@@ -279,6 +291,9 @@
                 loadGlowDefs: loadGlowDefs,
                 cat7: cat7,
                 translate: translate,
+                scale: scale,
+                skewX: skewX,
+                rotate: rotate,
                 stripPx: stripPx,
                 safeId: safeId,
                 visible: function (el, x) {

@@ -41,7 +41,7 @@ describe('factory: fw/svg/svgUtil.js', function() {
     it('should define api functions', function () {
         expect(fs.areFunctions(sus, [
             'createDragBehavior', 'loadGlowDefs', 'cat7',
-            'translate',
+            'translate', 'scale', 'skewX', 'rotate',
             'stripPx', 'safeId', 'visible'
         ])).toBeTruthy();
     });
@@ -94,7 +94,7 @@ describe('factory: fw/svg/svgUtil.js', function() {
         expect(sus.cat7().getColor('zoo', false, 'light')).toEqual('#8A2979');
     });
 
-    // === translate()
+    // === translate(), scale(), skewX(), rotate()
 
     it('should translate from two args', function () {
         expect(sus.translate(1,2)).toEqual('translate(1,2)');
@@ -104,6 +104,18 @@ describe('factory: fw/svg/svgUtil.js', function() {
         expect(sus.translate([3,4])).toEqual('translate(3,4)');
     });
 
+    it('should scale', function () {
+        expect(sus.scale(1.5,2.5)).toEqual('scale(1.5,2.5)');
+    });
+
+    it('should skewX', function () {
+        expect(sus.skewX(3.14)).toEqual('skewX(3.14)');
+    });
+
+    it('should rotate', function () {
+        expect(sus.rotate(45)).toEqual('rotate(45)');
+    });
+
 
     // === stripPx()