Fix for Issue nosir#385 (nosir#387)

*  On branch master
 Your branch is up to date with 'origin/master'.

 Changes to be committed:
	modified:   src/utils/Util.js

 Issue nosir#385 for cursor jumping to the end when used in shadow DOM fixed

* doc.activeElement to activeElement refactored

*  Rework for failed cursor jumping issue fixed on branch master for PR
 Your branch is up to date with 'origin/master'.

 Changes to be committed:
	modified:   src/utils/Util.js

src/utils/Util.js

@@ -171,7 +171,7 @@ var Util = {
     },
 
     setSelection: function (element, position, doc) {
-        if (element !== doc.activeElement) {
+        if (element !== this.getActiveElement(doc)) {
             return;
         }
 
@@ -194,6 +194,14 @@ var Util = {
             }
         }
     },
+
+    getActiveElement: function(parent) {
+        var activeElement = parent.activeElement;
+        if (activeElement && activeElement.shadowRoot) {
+            return this.getActiveElement(activeElement.shadowRoot);
+        }
+        return activeElement;
+    },
 
     isAndroid: function () {
         return navigator && /android/i.test(navigator.userAgent);