Lightweight Java Game Library Code

Windows: Generalized WindowsDispaly.nCreateWindow

Windows: Clean up window in case of exception thrown from WindowsDisplay.createWindow

Windows: Moved pixel format logic from WindowsDisplayPeerInfo.initDC to WindowsDisplay.createWindow

Windows: Made WindowsPeerInfo.choosePixelFormat static and let WindowsPeerInfo.setPixelFormat be called seperately

Windows: Split nChoosePixelFormat's applyPixelFormat() out in a seperate function

Windows: Moved icon handles to java

Windows: Check for Display.isCreated in Sys.getHwnd()

Windows: Moved hwnd and hdc to java

Windows: Made WindowsDisplayPeerInfo take hwnd and hdc arguments

Windows: Moved child window style selection to java