Add clojure scratch files to global gitignore
(xmonad) Set WMName to LG3D, show layout indicator

Set xmonad's WMName to LG3D, to trick Java's AWT.

Show an indicator of the current layout in xmonad's status bar, and sort
the workspaces by the physical layout of the screen that they're on.
(xmonad) launch xfce4 w/out menubar.