[css-grid] Update issues list

Author: fantasai

css-grid/issues-wd-20150806.html

@@ -87,6 +87,12 @@ <h1>CSS Grid Layout Level 1 Disposition of Comments for 2015-08-06 WD</h1>
 Comment:  <a href='https://lists.w3.org/Archives/Public/www-style/2014Apr/0386.html'>https://lists.w3.org/Archives/Public/www-style/2014Apr/0386.html</a>
 Open
 </pre>
+<pre class='open' id='issue-8'>
+Issue 8. <a href='#issue-8'>#</a>
+Summary:  Should 'justify-content: stretch' stretch only auto-sized tracks or all tracks?
+From:     fantasai
+Open
+</pre>
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 	var sheet = document.styleSheets[0];

css-grid/issues-wd-20150806.txt

@@ -51,3 +51,8 @@ From:     Simon Sapin
 Comment:  https://lists.w3.org/Archives/Public/www-style/2014Apr/0386.html
 Open
 ----
+Issue 8.
+Summary:  Should 'justify-content: stretch' stretch only auto-sized tracks or all tracks?
+From:     fantasai
+Open
+----