Fix Issue #148

Reverting converse.js back to 5.0.2 until issue #148 is fixed

src/main/webapp/support/converse.jsp

@@ -13,9 +13,9 @@
     <meta name="description" content="Converse.js: An XMPP chat client which can be integrated into any website" />
     <meta name="author" content="JC Brand" />
     <meta name="keywords" content="xmpp chat webchat converse.js" />
-    <link rel="stylesheet" type="text/css" media="screen" href="https://cdn.conversejs.org/5.0.3/dist/converse.min.css">
+    <link rel="stylesheet" type="text/css" media="screen" href="https://cdn.conversejs.org/5.0.2/dist/converse.min.css">
     <script src="https://cdn.conversejs.org/3rdparty/libsignal-protocol.min.js"></script>
-    <script src="https://cdn.conversejs.org/5.0.3/dist/converse.min.js" charset="utf-8"></script>
+    <script src="https://cdn.conversejs.org/5.0.2/dist/converse.min.js" charset="utf-8"></script>
 
     <style>
         .converse-container {