* Quick example of a collision test integration test
* Add a test for ghost and hidden sprites
* enable scratch/es6 which then had my lint error for `(param) => {}` arrows
* cleanup npm test command
* an a was an an but should have been an a
* 2space tabs for the html doc
* Add some comments in the integration index html
* Add a few more comments about intentionally leaking variables into the global scope
* add some more comments for the integration helper and add a timeout
* 4 space tabs are actually correct
* adding even more comments and improving readability a little
* fix lint no-shadow rule
* fix indentation on comment