Make it work - IntelliJ IDEA and Linux (Xmonad)

IntelliJ (and few other Java programs) has a problem with window not appearing or being frozen. Simple solution:

$ wmname LG3D

More info:

• https://bbs.archlinux.org/viewtopic.php?id=142063 which suggest export _JAVA_AWT_WM_NONREPARENTING=1
• https://code.google.com/p/android/issues/detail?id=57675
• http://awesome.naquadah.org/wiki/Problems_with_Java