.gitreview file for integration/phpcs

Change-Id: I2fb794dd32e5a44c187c348662a014d34f62ba76
README.md and composer.json

The instructions are the same as integration/phpunit, so point there
instead of duplicating content.

Change-Id: Ic855428bfd1e7b063114fe509cbc2bf07db2c4fb
php codesniffer 1.4.7

No specific dependencies pulled in.

Change-Id: I559790052cabd9c6235e6f58dbd30c35f46673f5