CCNode: add [set|get]Position[X|Y](void) back.

cocos2dx/base_nodes/CCNode.cpp

@@ -293,6 +293,26 @@ void CCNode::setPosition(float x, float y)
     setPosition(ccp(x, y));
 }
 
+float CCNode::getPositionX(void)
+{
+    return m_obPosition.x;
+}
+
+float CCNode::getPositionY(void)
+{
+    return  m_obPosition.y;
+}
+
+void CCNode::setPositionX(float x)
+{
+    setPosition(ccp(x, m_obPosition.y));
+}
+
+void CCNode::setPositionY(float y)
+{
+    setPosition(ccp(m_obPosition.x, y));
+}
+
 /// children getter
 CCArray* CCNode::getChildren()
 {

cocos2dx/base_nodes/CCNode.h

@@ -311,6 +311,14 @@ public:
      * @see setPosition(float, float)
      */
     void getPosition(float* x, float* y);
+    /**
+     * Gets/Sets x or y coordinate individually for position.
+     * These methods are used in Lua and Javascript Bindings
+     */
+    void  setPositionX(float x);
+    float getPositionX(void);
+    void  setPositionY(float y);
+    float getPositionY(void);
     
     
     /**