Plugging up some memory leaks in the Blenderplayer that I found with valgrind

source/gameengine/GamePlayer/ghost/GPG_Application.cpp

@@ -802,7 +802,6 @@ void GPG_Application::exitEngine()
 		m_canvas = 0;
 	}
 
-	IMB_exit();
 	GPU_extensions_exit();
 
 	m_exitRequested = 0;

source/gameengine/GamePlayer/ghost/GPG_ghost.cpp

@@ -943,7 +943,12 @@ int main(int argc, char** argv)
 		}
 	}
 
-	free_nodesystem();
+	// Cleanup
+	RNA_exit();
+	BLF_exit();
+	free_blender();
+
+	SYS_DeleteSystem(syshandle);
 
 	return error ? -1 : 0;
 }

source/gameengine/VideoTexture/PyTypeList.cpp

@@ -28,6 +28,14 @@ http://www.gnu.org/copyleft/lesser.txt.
 
 #include <PyObjectPlus.h>
 
+/// destructor
+PyTypeList::~PyTypeList()
+{
+	// if list exists
+	if (m_list.get() != NULL)
+		for (PyTypeListType::iterator it = m_list->begin(); it != m_list->end(); ++it)
+			delete *it;
+}
 
 /// check, if type is in list
 bool PyTypeList::in (PyTypeObject * type)

source/gameengine/VideoTexture/PyTypeList.h

@@ -41,6 +41,9 @@ typedef std::vector<PyTypeListItem*> PyTypeListType;
 class PyTypeList
 {
 public:
+	/// destructor
+	~PyTypeList();
+
 	/// check, if type is in list
 	bool in (PyTypeObject * type);