Merging working changes from hg to git for scroll FPS perf
Getting the scroll fps running
Merge pull request #1 from davehunt/scrollfps

Getting the scroll fps running
Adding scrolling code and final js code
Add ability to do fps measurements while scrolling an app
Doing rAF the right way
Merging to top of mozilla repo
add scroll function
scroll the remaining pages
Merge pull request #6 from malini/scrollfps

Scrollfps - Added scrolling for the remaining tests
Adding datazilla integration, cleaning up code
fire stop_fps after touchend is fired
get Email test working without sleeps, and get Browser test reporting fps
Merge pull request #7 from malini/scrollfps

Remove arbitrary sleeps, fire stop_fps when touchend is fired
Remove sleep after launch, as there is already a suitable wait in the launch method
PEP8 fixes
Use wifi details from testvars for FPS scrolling tests if provided
Use progressbar for FPS scrolling tests
Allow FPS test for email app to fail if there are no emails visible
Fix exception message when element is not visible