Adding a better blue-background ietf logo image

 - Legacy-Id: 1278

Author: levkowetz

ietf/templates/leftmenu.html

@@ -1,5 +1,5 @@
 <div class="menulogo">
-<img class="menulogo" src="/images/ietflogo2i.png" alt="IETF logo" />
+<img class="menulogo" src="/images/ietflogo-blue.png" alt="IETF logo" width="140" />
 </div>
 <ul>
   <li><a title="About the Internet Engineering Task Force">About the IETF</a>