"Open chat" button now is square, instead of having a tiny corner missing.

www/screens/home.html

@@ -87,7 +87,7 @@
     <div class="well well-sm" id="chatmsgs"></div>
     <div class="input-group" style="position: absolute; left: 0px; bottom: 0px; height: 35px; width: 100%; z-index: 9501;">
         <div class="input-group-btn" onclick="toggleChat()">
-            <div class="btn btn-info"><i class="fa fa-comments-o"></i></div>
+            <div class="btn btn-info" style="border-radius: 0px;"><i class="fa fa-comments-o"></i></div>
         </div>
         <form id="chatsendform">
             <input type="text" class="form-control" id="chatbox-input" onclick="openChat()" placeholder="Type to chat" />