Update changelog and re-add CSS files

CHANGES.md

@@ -4,7 +4,8 @@
 
 ## UI changes
 
-The UI is now based on Bootstrap4 and Flexbox is used extensively.
+* The UI is now based on Bootstrap4 and Flexbox is used extensively.
+* #956 Conversation pane should show my own identity in pane header 
 
 ## New Features
 

dev.html

@@ -9,6 +9,9 @@
     <meta name="author" content="JC Brand" />
     <meta name="keywords" content="xmpp chat webchat converse.js" />
     <link rel="shortcut icon" type="image/ico" href="css/images/favicon.ico"/>
+    <link type="text/css" rel="stylesheet" media="screen" href="css/bootstrap.min.css" />
+    <link type="text/css" rel="stylesheet" media="screen" href="css/font-awesome.min.css" />
+    <link type="text/css" rel="stylesheet" media="screen" href="css/theme.css" />
     <link type="text/css" rel="stylesheet" media="screen" href="css/converse.css" />
     <script src="node_modules/requirejs/require.js"></script>
     <script src="src/config.js"></script>