restructure modules. make GuiModules depend on WindowModule

modules/examples/TestMenu/src/TestMenu.cpp

@@ -1,37 +0,0 @@
-#include "TestMenu.h"
-
-TestMenu::TestMenu(void* h, App& a) : Module(h, a) {
-    name = "TestMenu";
-}
-
-TestMenu::~TestMenu() {
-    std::cout << "TestMenu Destroyed!\n";
-}
-
-void TestMenu::run() {
-    
-    std::cout << "Your number is: " << num << "\n"
-              << "1. Add 1\n"
-              << "2. Subtract 1\n"
-              << "3. Unload Module\n\n"
-              << "4. Quit\n\n";
-
-    std::cin >> choice;
-
-    switch(choice) {
-        case 1:
-            num++;
-            break;
-        case 2:
-            num--;
-            break;
-        case 3:
-            app.stopModule(self);
-            break;
-        case 4:
-            app.end();
-            break;
-        default:
-            break;
-    }
-}