Allow to specify alternative (not always 'localhost') Selenium server url.
Also setting for server path mapping (see https://github.com/Behat/Mink/pull/342 pull request).
Allow to specify alternative (not always 'localhost') Selenium server url.
Also setting for server path mapping (see https://github.com/Behat/Mink/pull/342 pull request).

Fixed indentation issue.
Variable name changed to camelCase.
Merge pull request #56 from aik099/custom-selenium-server-feat

Allow to specify alternative (not always 'localhost') Selenium server url