API Support PDO env for 3.2
Merge pull request #7 from tractorcow/pulls/pdo-support

API Support PDO env for 3.2
Update selenium server from 2.37 to 2.42.2

Hopefully fixes issues with https://travis-ci.org/silverstripe/silverstripe-framework/jobs/31469431
Downgraded selenium from 2.42.2 to 2.41.0

2.42 breaks setValue() in Mink/Behat, see https://travis-ci.org/silverstripe/silverstripe-framework/jobs/31469431
BUG Fix small screen size issues