prevent require.js from caching
implemented entity manager and entity class
added get/set methods to entity manager
added clear method to entity manager
made use of get/set functions in entity manager
call parent entity constructor
moved entity files
created background entity
created score entity
made amd imports more readable
food is now only created once per game
added canvas scaling and customized dimensions
added basic styles
added package.json
added node_modules to gitignore
added grunt-contrib-coffee to devDependencies
valid package.json
created grunt task for coffeescript files and compiled files via grunt
changed gruntfile syntax to coffeescript
create grunt watch task for coffeescript files