If no options are provided for SauceLabs, use the environment variables.
Update features matrix to fix errors. Closes #19.
Thanks to @cjohansen for pointing out the errors, and apologies to the BusterJS team for managing to miss this stuff.
[ci skip]
Rename grunt folder to tasks
If no options are provided for SauceLabs, use the environment variables.
Closes #15.
Merge branch 'grunt-environment' of https://github.com/bryanforbes/intern