replaced "filter" with es6 "find"
replaced "filter" with es6 "find"
shortened l var
removed foe generator
removed tron.es6.min
ES6 versions
changed keycode condition
replaced "addColorStop" with for ... in
Merge branch 'master' of https://github.com/misantronic/min

Conflicts:
	tron/tron.es6.js
	tron/tron.js
	tron/tron.min.js