upgrade to Grunt 0.4
remove build js to build folder
rename to ashteroids
add jshint & Connect local server to Grunt task
add grunt instructions
remove unused libraries
cleanup Grunt, adding build file (untested)
add requirejs config file
minor cleanup
also jshint lib files
use requirejs definition
keypoll uses requirejs definition

make it a singleton & also remove reference to
global variable
better requirejs format
use Class inheritance
better requirejs format
use Class inheritance tool from Ash