Basic code for stacked status & inventory windows
Subheader windows
Merge branch 'master' into windowing
First complete implementation. Still need to decide where windowing code should be housed.
New extension for window layout. Status bar look customized.
Tweak to window ordering for status window open
Added inventory window, two-part powers window interface.
Finished stats window.
Tweaked spacing in detailed stats view.
Merge branch 'windowing' into automap
Command to open and close info panels, persistent storage of info panel preference. Info panels won't be shown for especially small game windows.