Fix typo with accumulateOperation
Remove last remains of per-keyframe timing functions
new DOM methods.
Ensure query selector specified in assert_styles actually matches
Merge pull request #215 from steveblock/groupedAnimationEffect

Fix typo with accumulateOperation
Merge pull request #216 from dstockwell/more-test-checks

Ensure query selector specified in assert_styles actually matches
Changed getPlayer() method to readonly player attribute.
Merge pull request #217 from mikelawther/rename

Changed getPlayer() method to readonly player attribute.
Teach polyfill about new DOM-style operations on TimedItems and TimingGroups.
Removed test cases that shouldn't be reintroduced.
Merge pull request #218 from shans/newDOM

Teach polyfill about new DOM-style operations
Merge branch 'master' of https://github.com/web-animations/web-animations-js
Fixed more accidental global variable assignments