phpspec composer

gistfile1.json

{
    "require": {
    	
    },
    "require-dev": {
        "sensio/generator-bundle":           "~2.3",
        "phpspec/phpspec":                   "~2.0",
        "behat/behat":                       "~3.0",
        "behat/symfony2-extension":          "~2.0@dev",
        "behat/mink-extension":              "~2.0@dev",
        "behat/mink-browserkit-driver":      "~1.2@dev",
        "behat/mink-selenium2-driver":       "@dev",
        "behat/mink":                        "~1.6@dev"
    }
}