[web-animations] Fix intro section
[web-animations] Remove time lag and replace with adjusted start time
[web-animations] Fix return type of AnimationTimeline.play
[web-animations] Fix references to 'keyframe input' in Normalizing a Keyframe object procedure

--HG--
extra : rebase_source : 31e2ff70db5ed06b562dcb3e199c4f8edc8a379f
[web-animations] Thoroughly rewrite the procedures for handling the effect parameter for the Animation ctor and Animatable.animate method

And simultaneously remove OneOrMoreKeyframes since its not valid WebIDL and
generally tighten up our procedures for handling non-WebIDL ECMAScript objects.

--HG--
extra : rebase_source : 6f83de7842f9f898a8359e2b83e8a6673b78a800
[web-animations] Fix some broken links
[web-animations] Rename TimedItem.specified to timing
[web-animations] Fix inaccurate comparison between document.timeline.currentTime and Performance.now()
[web-animations] Switch to milliseconds as base time unit
[web-animations] Add change log entry for change to milliseconds
[web-animations] Various fixes to WebIDL handling based on review feedback

See: http://lists.w3.org/Archives/Public/public-fx/2014AprJun/0039.html
[web-animations] Introduce ComputedKeyframe dictionary type.

See thread starting here: http://lists.w3.org/Archives/Public/public-fx/2014AprJun/0009.html
[web-animations] Remove step about ignoring computedOffset when processing a keyframe object since it's not needed

This will only ever be needed if there is a CSS property computedOffset or
computed-offset and then we'll probably have bigger problems.

--HG--
extra : rebase_source : 4a2d6f077fd12f775cd82792f0b65c5d9b4def7b
[web-animations] Use [[Enumerate]] to iterate over the properties of keyframe objects

As suggested on public-script-coord: http://lists.w3.org/Archives/Public/public-script-coord/2014AprJun/0037.html

--HG--
extra : rebase_source : 753180bc4973eb11f54deeb97472617a3adb5e1f
[web-animations] Mark description of effect as non-normative, and clarify which Array.isArray to use

Based on feedback on public-fx: http://lists.w3.org/Archives/Public/public-fx/2014AprJun/0044.html
[web-animations] Tighten up some examples

--HG--
extra : rebase_source : 4dc87a00071df4626361a9eb50eb7bc6f4a60dab
[web-animations] Clarified when effect callbacks are called

Based on source prepared by Douglas Stockwell:

https://docs.google.com/document/d/14JXp8KXOexVC7t5ogVOQBvhZBH3cK4YRiuV1sxteBk4/edit

--HG--
extra : rebase_source : 5634e3fdd371d82b72922dbd101cfb4a1ecf7c69
[web-animations] Clarify relationship with requestAnimationFrame
[web-animations] Add issue about adjusting timeline time values
Added iteration composite member to AnimationEffect, removed
accumulate member.