* Adding --no-color flag to sass stylelint
* Adding --no-color to all stylelint args
* Adding --no-color expectation to stylelint tests
* Properly handling SyntaxError for stylelint; adding corresponding test
* Fixing CSS stylelint parameters and adding regression test
Working directories are now set seperately from the commands so they
can later be swapped out when running linters over projects is
supported, and also better support filename mapping for running linters
on other machines in future.
* Refactor stylelint fixer test
* Support additional stylelint fixer options
* Support changing working directory for stylelint fixer
* Force css syntax for stylelint fixer
