fixed memory leak cause by singleton.

cocos/2d/CCMenu.cpp

@@ -25,7 +25,6 @@ THE SOFTWARE.
 ****************************************************************************/
 #include "2d/CCMenu.h"
 #include "base/CCDirector.h"
-#include "CCApplication.h"
 #include "base/CCTouch.h"
 #include "CCStdC.h"
 #include "base/CCEventListenerTouch.h"

cocos/base/CCDirector.cpp

@@ -177,7 +177,6 @@ Director::~Director(void)
     CC_SAFE_RELEASE(_scheduler);
     CC_SAFE_RELEASE(_actionManager);
     
-
     delete _eventAfterUpdate;
     delete _eventAfterDraw;
     delete _eventAfterVisit;
@@ -191,12 +190,11 @@ Director::~Director(void)
 
     CC_SAFE_RELEASE(_eventDispatcher);
     
-    // clean auto release pool
-    PoolManager::destroyInstance();
-
     // delete _lastUpdate
     CC_SAFE_DELETE(_lastUpdate);
 
+    Configuration::destroyInstance();
+
     s_SharedDirector = nullptr;
 }
 
@@ -976,7 +974,6 @@ void Director::purgeDirector()
     GLProgramCache::destroyInstance();
     GLProgramStateCache::destroyInstance();
     FileUtils::destroyInstance();
-    Configuration::destroyInstance();
 
     // cocos2d-x specific data structures
     UserDefault::destroyInstance();

cocos/platform/CCApplicationProtocol.h

@@ -27,6 +27,8 @@ THE SOFTWARE.
 #define __CC_APPLICATION_PROTOCOL_H__
 
 #include "base/CCPlatformMacros.h"
+#include "base/CCScriptSupport.h"
+#include "base/CCAutoreleasePool.h"
 
 NS_CC_BEGIN
 
@@ -61,7 +63,11 @@ public:
      * @js NA
      * @lua NA
      */
-    virtual ~ApplicationProtocol() {}
+    virtual ~ApplicationProtocol(){
+        ScriptEngineManager::destroyInstance();
+        // clean auto release pool
+        PoolManager::destroyInstance();
+    }
 
     /**
     @brief    Implement Director and Scene init code here.