Import r1253

r1253 | svkaiser | 2014-01-22 19:35:03 -0800 (Wed, 22 Jan 2014)

+ Downscaled the button icons and text in menus (return, select, change)
Compile Doom64EX as a Windowed application

Extraneous console box would pop up in win32 or win64 if compiled with
MinGW, this has been fixed by using the -mwindows flag.