Respect the "test" parameter in the web based testing also for asynchronous tests.
Merge pull request #425 from vandenoever/async

Respect the "test" parameter in the web based testing also for asynchron...
Add benchmark hooks for calculating document distance travelled
Add pages per hour and kilometres per hour as benchmark units
Output the webodf version the benchmark is running against
Make benchmark UI slightly more colourful
Make element variable names more consistent