Fixes #47
Merge branch 'master' into session-start-exception-handing-fix
Pass WebDriver exception in DriverException as $previous parameter on both connect/disconnect failure.
Making `wait` method of Driver/Session return condition at method exit.

Fixes #301.
Merge pull request #57 from aik099/driver-wait-return-value

Making `wait` method of Driver/Session return condition at method exit.
Merge pull request #49 from aik099/session-start-exception-handing-fix

Handles uncaught exception from WebDriver library on session opening
Merge branch 'develop', remote-tracking branch 'behat/master' into develop

Conflicts:
	src/Behat/Mink/Driver/Selenium2Driver.php