Update to match spec for "loosely sorted" restrictions
Update unit test
Merge pull request #172 from dstockwell/sort

Update to match spec for "loosely sorted" restrictions
Throw a not supported error for partial keyframes
Merge pull request #173 from dstockwell/partial

Throw a not supported error for partial keyframes
Started fising getAnimationPlayers.html
Got play states right. Wrong types of players is going to be harder to fix.
Remove timing out test for CSS players.
Push maxifill players to timeline
Move test case for getting css players into its own file.