Merge pull request #9 from PHPCompatibility/feature/update-dealerdirect-plugin-references

Update reference to the DealerDirect plugin

Author: wimg

README.md

@@ -38,7 +38,7 @@ The minimum _recommended_ version of PHP_CodeSniffer is version 2.6.0.
 
 If you don't have a Composer plugin installed to manage the `installed_paths` setting for PHP_CodeSniffer, run the following from the command-line:
 ```bash
-composer require --dev dealerdirect/phpcodesniffer-composer-installer:^0.4.3 phpcompatibility/phpcompatibility-all:*
+composer require --dev dealerdirect/phpcodesniffer-composer-installer:^0.5.0 phpcompatibility/phpcompatibility-all:*
 composer install
 ```