Version updates
Fixed THUCYDIDES-239 - Better exception reporting in ResizableImage
Display the Thucydides version number and build number in the report footer. The build number is taken from the BUILD_NUMBER environment variable by default, but can be customised by setting the build.number.variable system property.
Minor refactoring
fixed THUCYDIDES-178
Merge branch 'master' of github.com:thucydides-webtests/thucydides