* 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
Add missing file type to `.gitattributes`.
Use `node` instead of deprecated `stable` version specifier for Travis.
Set dev tool to `cheap-module-source-map`.
Tracking the version under one `-prerelease` channel allows other packages to depend on `^0.1.0-prerelease` for the most up to date version.
Track the git sha for the release in package.json
Reuse the json package needed for writing the sha to retrieve the package.json version field
