[css-display-3] Update Changes list, add SelenIT to acknowledgements>

Author: fantasai

css-display-3/Overview.bs

@@ -1335,7 +1335,8 @@ Acknowledgments</h2>
 	whose relentless assault on CSS2.1 Chapter 9 forced some order out of the chaos;
 	and Oriol Brufau,
 	who teased apart dozens of fine distinctions and errors in this spec.
-	Honorable mentions also go to David Baron, Mats Palmgren, and Boris Zbarsky for their feedback.
+	Honorable mentions also go to David Baron, Mats Palmgren, Ilya Streltsyn,
+	and Boris Zbarsky for their feedback.
 
 <!--
 	We would also like to thank the many JavaScript libraries such as jQuery
@@ -1346,12 +1347,28 @@ Acknowledgments</h2>
 <h2 class=no-num id="changes">
 Changes</h2>
 
+	A <a href="https://drafts.csswg.org/css-display-3/issues-wd-2017">Disposition of Comments</a> is available.
+
 	Changes since the <a href="https://www.w3.org/TR/2018/WD-css-display-3-20180420/">20 April 2018 Working Draft</a> include:
 
 	<ul>
 		<li>
 			Elements with ''display: contents'' that behave as ''display: none'' now <em>compute to</em> ''display: none''.
 			(<a href="https://github.com/w3c/csswg-drafts/issues/2755">Issue 2755</a>)
+		<li>
+			Distinguished “new” <a>formatting context</a> from <a>independent formatting context</a> since certain formatting contexts layer.
+			(<a href="https://github.com/w3c/csswg-drafts/issues/2597">Issue 2597</a>,
+			<a href="https://github.com/w3c/csswg-drafts/issues/1457">Issue 15457</a>)
+		<li>
+			Defined that <a>block boxes</a> that establish an <a>independent formatting context</a>
+			have a used 'display' of ''flow-root'',
+			to provide an easier point of reference.
+			(<a href="https://github.com/w3c/csswg-drafts/issues/1550">Issue 1550</a>)
+		<li>
+			Clarified that 'display' is not animatable (as opposed to discretely animatable).
+			(<a href="https://github.com/w3c/csswg-drafts/issues/2938">Issue 2938</a>)
+		<li>
+			Minor editorial fixes.
 	</ul>
 
 	Changes since the <a href="https://www.w3.org/TR/2017/WD-css-display-3-20170720/">20 July 2017 Working Draft</a> include: