This will help highlight memory regressions, make it easier for newcomers to get started with the codebase w/o editing php.ini defaults (128M), and also keep things consistent between local and travis runs.
PHP_CodeSniffer 3.0 RC4 introduces a breaking change that removes PHPCS from the composer autoloader. This fix adds a bootstrapping step so that we can invoke the autoloader automatically.
Sara Itani
Felix Becker
Michal Niewrzal