Added getAttribute() method to the WebElementFacade class for convenience.
Fine-tuning the file system requirements provider.
Made saving HTML source code optional.
Updating versions
Improved the screenshot reports adding a link back to the main test result page
Reduced the space taken by the reports - now only the rescaled screenshot is stored unless configured otherwise.
General refactoring
Merge branch 'master' of github.com:thucydides-webtests/thucydides
Preparing for a new release