Add more options to phpunit based on Symfony and Silex
Add more options to phpunit based on Symfony and Silex

Symfony: https://github.com/symfony/symfony/blob/master/phpunit.xml.dist
Silex: https://github.com/fabpot/Silex/blob/master/phpunit.xml.dist

YannickForest/mongodm,jrschumacher/mongodm,purekid/mongodm