Adds FF in the list of supported browsers. Enables it by default.

config.js

     enableRecording: false,
     enableWelcomePage: true,
     enableSimulcast: false,
-    enableFirefoxSupport: false, //firefox support is still experimental, only one-to-one conferences with chrome focus
-    // will work when simulcast, bundle, mux, lastN and SCTP are disabled.
+    enableFirefoxSupport: true, //firefox support is still experimental and
+    // will work when simulcast is *disabled* and rtcpMux & bundle are *enabled*.
     logStats: false // Enable logging of PeerConnection stats via the focus
 };

css/unsupported_browser.css

 .supported_browsers
 {
     margin: 0px auto 0px auto;
-    width: 460px;
+    width: 660px;
 }
 
 .clear
     height: 79px;
     background-image: url('/images/chromium.png');
 }
+#firefox-nightly_logo
+{
+    width: 73px;
+    height: 79px;
+    background-image: url('/images/firefox-nightly.png');
+}
+
 #opera_logo
 {
     width: 73px;

unsupported_browser.html

                 <a href="http://www.opera.com"><div class="button">DOWNLOAD</div></a>
             </div>
         </div>
+        <div class="browser_wrapper">
+            Firefox Nightly
+            <div class="browser">
+                <div class="logo" id="firefox-nightly_logo"></div>
+                <a href="https://nightly.mozilla.org/"><div class="button">DOWNLOAD</div></a>
+            </div>
+        </div>
     </div>
     <div class="clear"></div>
     <div class="firefox">We are hoping that multistream support for Firefox would not be long so that we could all use this application with our favorite browser.</div>