Starting to work on separation of disk component
Added live demo link to README.md
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'
Merge branch 'master' into gh-pages