add README
add more stuff to readme
this doesn't work on mobile
use full.js instead of min.js for demo
fix bug in Firefox

Firefox needs a "#" before the color, so I added that.

min.js not updated yet.
focus the canvas when we start

min.js not updated.
put it in an if statement; clearer & smaller!
save a character: r ^ -1 instead of r != -1
minor: reorder draw function, it's clearer
shorten style declarations using cssText property

min.js isn't updated yet
shorten use of I
"7" instead of "2 * pi" -- shorter and does same stuff
save a character in color generation
save some characters in draw function
no need to put random color in a variable! shave a bit
in README, note that Safari is buggy
update min.js
add closure compiler
minor: change <title> on demo
minor: make comment clear that it's arrow keys