Merge pull request #24 from sandyphan/master

fixed update function, fixed update button appearance
got a global pause working which allows to seg and par groups to be used in test animations
Fixed the animation time viewer so it works with seg and par groups
Solve issue where the flashing divs would track and absolute object
corrected auto run to work correctly with par groups
Got the flashing divs to follow the base animation in ref tests
return ref test flashing div border back to black
Merge branch 'master' of https://github.com/StephMc/web-animations-test-framework
returned the refTest back to testGroupings
Updated the way refTests work so frequent tests don't break other running tests
added a buffer to the end time so it wont occasioanlly restart the animation after tests
Changed test-repetition to the new test format
Changed test-stepping to the new test format
Added the beginings of a new test involving svg