Fix `Class 'Symfony\Component\Console\Application' not found in vendor/behat/behat/src/Behat/Behat/Console/BehatApplication.php on line 26` bug

behat_+_mink_composer.json

{
    "require": {

        ...

        "symfony/console":               "2.0.7",
        "symfony/dependency-injection":  "2.0.7",
        "symfony/event-dispatcher":      "2.0.7",
        "symfony/translation":           "2.0.7",
        "symfony/finder":                "2.0.7",

        "symfony/browser-kit":           "2.0.7",
        "symfony/dom-crawler":           "2.0.7",
        "symfony/css-selector":          "2.0.7",
        "symfony/process":               "2.0.7",
    },

    "config": { "bin-dir": "bin/" }
}

only_behat_composer.json

{
    "require": {

        ...

        "symfony/console":               "2.0.7",
        "symfony/dependency-injection":  "2.0.7",
        "symfony/event-dispatcher":      "2.0.7",
        "symfony/translation":           "2.0.7",
        "symfony/finder":                "2.0.7"
    },

    "config": { "bin-dir": "bin/" }
}