Update the README file to better explain a non package-control installation
Update the README file to better explain a non package-control installation

- Fixes: GH-44

michaelhogg/sublime-phpcs,kujiy/sublime-phpcs,liuxuecheng/sublime-phpcs,michaelhogg/sublime-phpcs,ikappas/sublime-phpcs,ikappas/sublime-phpcs,liuxuecheng/sublime-phpcs,handrus/sublime-phpcs,appleboy/sublime-phpcs,kujiy/sublime-phpcs