Install CodeSniffer via Composer
Install PHP Codesniffer and PSR1 + PSR2 sniffs
Compliance with PSR1: remove require_once statements as they are side effects
PSR2 compliance
Get the test suite working again in PSR2 compliance
Change CodeSniffer composer requirement to dev-only
Add PHPUnit to the dev dependencies
Add mockery to dev dependencies
First try at proper composer integration
Definitely require 5.3.0 or higher
Rerun composer update