Maintain proper history with roughly six entries, continuously update thumbnails.

guacamole/src/main/webapp/index.xhtml

@@ -77,8 +77,8 @@
                 <p id="no-recent">No recent connections.</p>
             </div>
 
-            <h2>Other Connections</h2>
-            <div id="other-connections">
+            <h2>All Connections</h2>
+            <div id="all-connections">
             </div>
 
             <h2>Clipboard</h2>