behat dependencies archived

[Deele]

During update of older project and adding this repo as "require-dev", resulted in conflicts that brought to my attention use of behat repos, that ar no longer maintained - archived, that are, in fact, forks of original repos by minkphp, that are actively maintained.

        "behat/mink": "1.7.x-dev",
        "behat/mink-goutte-driver": "^1.2",
        "behat/mink-selenium2-driver": "1.3.x-dev",

I propose switching to original maintainers

        "minkphp/mink": "1.7.x-dev",
        "minkphp/mink-goutte-driver": "^1.2",
        "minkphp/mink-selenium2-driver": "1.3.x-dev",

Only thing that is open question - how should we proceed with "minkphp" packages that are not in packagist?