Made the SahiDriver use the Mink 1.5 CoreDriver
Bumped the branch alias
Merge pull request #8 from stof/core_driver

Made the SahiDriver use the Mink 1.5 CoreDriver
Actualize Mink version constraint
Making `wait` method of Driver/Session return condition at method exit.

Needed for https://github.com/Behat/Mink/issues/301
Merge pull request #10 from aik099/driver-wait-return-value

Making `wait` method of Driver/Session return condition at method exit.
Merge branch 'master' into screenshot

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