Added missing functions to allow wait for swap chain.

Proper resource tracking to allow for destruction of graphics pipeline
Textures are tracked but not released so nothing has been done yet
various changes

JulietApp/main.cpp

@@ -188,7 +188,7 @@ void JulietApplication::Update()
     }
 
     Texture* swapChainTexture = nullptr;
-    if (!AcquireSwapChainTexture(cmdList, MainWindow, &swapChainTexture))
+    if (!WaitAndAcquireSwapChainTexture(cmdList, MainWindow, &swapChainTexture))
     {
         Log(LogLevel::Error, LogCategory::Tool, "Failed to acquire swapchain texture.");
         Running = false;