check for NaN in calculateTransformedTime; otherwise, the cubic
interpolater would infinite loop
Merge pull request #225 from samthor/check-nan-timing

check for NaN in calculateTransformedTime
clear currentTimePending when setting current time
use element.animate
Moved timing.js into minifill tests
Merge pull request #224 from rjwright/PauseAndSeek

Set current time on a paused player
allow null target on Animation constructor
Remove use of JS functions that aren't supported in IE.
Work around lack of IE <template> support.
Merge pull request #233 from rjwright/IETests

Fix interpolation tests and runner to run on IE
Merge pull request #230 from samthor/play_null_target

allow null target on Animation constructor
Merge remote-tracking branch 'upstream/master' into effectcallback-anim
Revert "check for NaN in calculateTransformedTime"
Merge pull request #234 from web-animations/revert-225-check-nan-timing

Revert "check for NaN in calculateTransformedTime"
Merge remote-tracking branch 'upstream/master' into effectcallback-anim
effect-callback only