Updated Selenium WebDriver and Selenium Support from 2.37 to latest 2.42.

Updated Selenium WebDriver and Selenium Support from 2.37 to latest 2.42. See the changelog here: https://github.com/SeleniumHQ/selenium/blob/master/dotnet/CHANGELOG
Updated Autofac from 3.0.2 to 3.4.1
Updated Castle.Core from 3.2 to 3.3
Removed AndroidDriver from BrowserFactory as support for Android been deprecated in Selenium WebDriver. See details here: http://seleniumhq.wordpress.com/2013/12/24/android-and-ios-support/