Bikeshed update for 'Adding baseline CONTRIBUTING.md' [ci skip]

Generated from:

commit fa8eddd
Author: Dominique Hazael-Massieux <dom@w3.org>
Date:   Mon Nov 21 11:18:06 2016 +0100

    Adding baseline CONTRIBUTING.md

Author: dontcallmedom

index.html

@@ -9,7 +9,7 @@
   <link href="../default.css" rel="stylesheet" type="text/css">
   <link href="../csslogo.ico" rel="shortcut icon" type="image/x-icon">
   <link href="https://www.w3.org/StyleSheets/TR/2016/W3C-UD" rel="stylesheet" type="text/css">
-  <meta content="Bikeshed 1.0.0" name="generator">
+  <meta content="Bikeshed version 645534c1532bca4fdb4f3859efc66268a218d7c8" name="generator">
   <link href="web-animations.css" rel="stylesheet" type="text/css">
 <style>/* style-md-lists */
 
@@ -257,7 +257,7 @@
   <div class="head">
    <p data-fill-with="logo"><a class="logo" href="http://www.w3.org/"> <img alt="W3C" height="48" src="https://www.w3.org/StyleSheets/TR/2016/logos/W3C" width="72"> </a> </p>
    <h1 class="p-name no-ref" id="title">Scroll-linked Animations</h1>
-   <h2 class="no-num no-toc no-ref heading settled" id="subtitle"><span class="content">Unofficial Proposal Draft, <time class="dt-updated" datetime="2016-11-01">1 November 2016</time></span></h2>
+   <h2 class="no-num no-toc no-ref heading settled" id="subtitle"><span class="content">Unofficial Proposal Draft, <time class="dt-updated" datetime="2016-11-21">21 November 2016</time></span></h2>
    <div data-fill-with="spec-metadata">
     <dl>
      <dt>This version:
@@ -1131,7 +1131,7 @@ <h3 class="no-num no-ref heading settled" id="normative"><span class="content">N
    <dt id="biblio-css-writing-modes-3">[CSS-WRITING-MODES-3]
    <dd>Elika Etemad; Koji Ishii. <a href="http://dev.w3.org/csswg/css-writing-modes-3/">CSS Writing Modes Level 3</a>. URL: <a href="http://dev.w3.org/csswg/css-writing-modes-3/">http://dev.w3.org/csswg/css-writing-modes-3/</a>
    <dt id="biblio-html">[HTML]
-   <dd>Ian Hickson. <a href="https://html.spec.whatwg.org/multipage/">HTML Standard</a>. Living Standard. URL: <a href="https://html.spec.whatwg.org/multipage/">https://html.spec.whatwg.org/multipage/</a>
+   <dd>Anne van Kesteren; et al. <a href="https://html.spec.whatwg.org/multipage/">HTML Standard</a>. Living Standard. URL: <a href="https://html.spec.whatwg.org/multipage/">https://html.spec.whatwg.org/multipage/</a>
    <dt id="biblio-rfc2119">[RFC2119]
    <dd>S. Bradner. <a href="https://tools.ietf.org/html/rfc2119">Key words for use in RFCs to Indicate Requirement Levels</a>. March 1997. Best Current Practice. URL: <a href="https://tools.ietf.org/html/rfc2119">https://tools.ietf.org/html/rfc2119</a>
    <dt id="biblio-selectors-4">[SELECTORS-4]