Move global UI status out of WndMainWindow.cpp, simplify the menu translation code(it doesn't need to dictate checked or enabled items, the UI already does it later on anyway), and clear out a few old menu items that have been removed.
Remove a few more unused things.
Post a message when the window title's text needs to change. This resolves #3282.
Using SetWindowText should be safe now since we use UNICODE..thanks Gigaherz & Unknown.
Re-apply the top-most state to its previous value when exiting fullscreen.
Use consistent directory slashes. We'll just replace all backslashes with forward slashes, eliminating the chance of duplicat recents. Fixes #3352.
Merge pull request #3758 from thedax/win32Cleanup

Win32 UI: Some cleanups and simplifications, fix some small bugs.