example json composer file for extension development

composer.json

{
    "name": "vendorname/modulename",
    "authors": [
        {
            "name": "author",
            "email": "[email protected]"
        }
    ],
    "config": {
        "bin-dir": "bin"
    },
    "minimum-stability": "dev",
    "require-dev": {
        "phpspec/phpspec": "~2.0",
        "magetest/magento-phpspec-extension": "~2.0"
    },
    "autoload": {
        "psr-0": {
            "": [
                "app",
                "app/code/local",
                "app/code/community",
                "lib"
            ]
        }
    }
}