Updated mediawiki/extensions
Project: mediawiki/extensions/Flow  c087ef3c21d800310f9555695fad218d9ee3d3d9

QA: Update selenium-webdriver so Firefox 32 works

I picked just the selenium-webdriver changes from `bundle update`.
Without this, browser tests on Firefox 32 fail with
`unable to obtain stable firefox connection in 60 seconds
(127.0.0.1:7055) (Selenium::WebDriver::Error::WebDriverError)`

I went ahead and updated the rest, may as well.

Change-Id: I26190cca06ee76862e5a1cf4e1497e61bb0d2adc