Starting to work on separation of disk component
Got a basic, if unsatisfactory, text implementation on disk
Tweaking disk text demos
Documentation for disk drawing functions
Refactoring disk drawing functions
Major refactoring and documentation of disk drawing primitives
Allow per-disk override of drawing style defaults
Split disk demo out from gauge demo
Added Makefile with lint and hint targets
Nicer styles on demo pages
Merge branch 'disk'