[MSE] Spec Updates Published

I have posted more changes to the Media Source
Extensions<https://dvcs.w3.org/hg/html-media/raw-file/default/media-source/media-source.html>
 spec.

Summary of changes:
Bug 21301 <https://www.w3.org/Bugs/Public/show_bug.cgi?id=21301> - Change
timeline references to "media timeline" links.
Bug 19676 <https://www.w3.org/Bugs/Public/show_bug.cgi?id=19676> -
Clarified "fade out coded frames" definition.
Bug 21276 <https://www.w3.org/Bugs/Public/show_bug.cgi?id=21276> - Convert
a few append error scenarios to endOfStream('decode') errors.
Bug 21376 <https://www.w3.org/Bugs/Public/show_bug.cgi?id=21376> - Changed
'time' to 'decode time' to append sequence definition.
Bug 21374 <https://www.w3.org/Bugs/Public/show_bug.cgi?id=21374> - Clarify
the abort() behavior.
Bug 21373 <https://www.w3.org/Bugs/Public/show_bug.cgi?id=21373> -
Clarified incremental parsing text in segment parser loop.
Bug 21364 <https://www.w3.org/Bugs/Public/show_bug.cgi?id=21364> - Remove
redundant condition from remove overlapped frame step.
Bug 21327 <https://www.w3.org/Bugs/Public/show_bug.cgi?id=21327> - Clarify
what to do with a splice that starts with an audio frame with a duration
less than 5ms
Update to ReSpec 3.1.48

Diffs:
https://dvcs.w3.org/hg/html-media/rev/1e6898152c5b