Get org.openqa.selenium.SmallTests building with Buck.

Note: this includes a buck version bump in order to make things work.
Run the ignored tests printer with Buck.
Run htmlunit-driver tests with Buck.

This will still shell out to CrazyFun at points, but the tests run and
pass.
Bump timeout for tests since a suite is also a test.
Run FirefoxDriver tests with Buck.

Complete with Yet Another Buck Version Bump.