Added WRL frontend for Win8 and WP8

Merged Qt, SDL and WRL frontend on the same corewrapper
Moved OpenGL code out of SDL and Qt frontends to OpenGl backend
(JGfx.cpp)
Updated file system and network code to be compatible with WRL

JGE/include/corewrapper.h

@@ -0,0 +1,88 @@
+#ifndef COREWRAPPER_H
+#define COREWRAPPER_H
+
+#include "../include/JGE.h"
+#include "../include/JTypes.h"
+#include "../include/JApp.h"
+#include "../include/JFileSystem.h"
+#include "../include/JRenderer.h"
+#include "../include/JGameLauncher.h"
+
+class WagicCore
+{
+private:
+
+public:
+    explicit WagicCore();
+    virtual ~WagicCore();
+    void initApp();
+
+    void doOK() {
+        doAndEnqueue(JGE_BTN_OK);
+    };
+    void doNext() {
+        doAndEnqueue(JGE_BTN_PREV);
+    };
+    void doCancel() {
+        doAndEnqueue(JGE_BTN_SEC);
+    };
+    void doMenu() {
+        doAndEnqueue(JGE_BTN_MENU);
+    };
+    void done() {
+        while(m_buttonQueue.size())
+        {
+            m_engine->ReleaseKey(m_buttonQueue.front());
+            m_buttonQueue.pop();
+        }
+        m_engine->ResetInput();
+    };
+    void doScroll(int x, int y) {
+        m_engine->Scroll(x, y);
+    };
+    int getNominalHeight(){ return SCREEN_HEIGHT;};
+    int getNominalWidth(){ return SCREEN_WIDTH;};
+    float getNominalRatio() { return ((float)SCREEN_WIDTH / (float)SCREEN_HEIGHT);};
+    bool getActive() { return m_active; };
+    void setActive(bool active);
+    void onKeyDown(LocalKeySym);
+    void onKeyUp(LocalKeySym);
+    void onWindowResize(void* window, float width, float height);
+    void onWheelChanged(int deltaX, int deltaY);
+    static char* getApplicationName() {
+        return JGameLauncher::GetName();
+    };
+
+	typedef enum {
+		LEFT,
+		MIDLE,
+		RIGHT
+	} PointerId;
+
+    bool onPointerPressed(PointerId, int, int);
+    bool onPointerReleased(PointerId, int, int);
+    bool onPointerMoved(PointerId, int, int);
+    bool onUpdate();
+    bool onRender();
+	void registerDefaultBindings();
+	static WagicCore* getInstance() { return s_instance; };
+	char *GetName(){ return m_launcher->GetName();};
+
+private:
+    void doAndEnqueue(JButton action) {
+        m_engine->HoldKey_NoRepeat(action);
+        m_buttonQueue.push(action);
+    }
+
+private:
+	static WagicCore* s_instance;
+    JGE* m_engine;
+    JApp* m_app;
+    JGameLauncher* m_launcher;
+    int64_t m_lastTickCount;
+    std::queue<JButton> m_buttonQueue;
+    bool m_active;
+};
+
+
+#endif // COREWRAPPER_H