added some styling, instructions, tank colors, fixed up keypress config.
added some more instructions and a slightly primitive turn based game
system too.
fixed up turn based game a bit more, put some dialogs in to control game
starting and turns.
Merge branch 'master' of git@github.com:damonsmith/js-ballistics-3d.git

Conflicts:
	js/site/Bomb.js
	js/site/Tank.js