Add press release text and update news feed

[#39636489 #39636491 #39636495 #39636903]

lms/templates/feed.rss

@@ -12,9 +12,9 @@
     <published>2012-11-12T14:00:00-07:00</published>
     <updated>2012-11-12T14:00:00-07:00</updated>
     <link type="text/html" rel="alternate" href="${reverse('press/gates-foundation-announcement')}"/>
-    <title>TITLE</title>
+    <title>edX and Massachusetts Community Colleges join in Gates-Funded educational initiative</title>
     <content type="html">&lt;img src=&quot;${static.url('images/press/mass_seal_240x180.png')}&quot; /&gt;
-         &lt;p&gt;CONTENT&lt;/p&gt;</content>
+         &lt;p&gt;&lt;/p&gt;</content>
   </entry>
   <entry>
     <id>tag:www.edx.org,2012:Post/6</id>