latest web site changes
diff --git a/docs/admin-guide/kura-adapter-config/index.html b/docs/admin-guide/kura-adapter-config/index.html
index c65e240..fd19a02 100644
--- a/docs/admin-guide/kura-adapter-config/index.html
+++ b/docs/admin-guide/kura-adapter-config/index.html
@@ -21,19 +21,19 @@
     <title>Kura Adapter Configuration :: Eclipse Hono&trade;</title>
 
     
-    <link href="/hono/docs/css/nucleus.css?1595208214" rel="stylesheet">
-    <link href="/hono/docs/css/fontawesome-all.min.css?1595208214" rel="stylesheet">
-    <link href="/hono/docs/css/hybrid.css?1595208214" rel="stylesheet">
-    <link href="/hono/docs/css/featherlight.min.css?1595208214" rel="stylesheet">
-    <link href="/hono/docs/css/perfect-scrollbar.min.css?1595208214" rel="stylesheet">
-    <link href="/hono/docs/css/auto-complete.css?1595208214" rel="stylesheet">
-    <link href="/hono/docs/css/theme.css?1595208214" rel="stylesheet">
-    <link href="/hono/docs/css/hugo-theme.css?1595208214" rel="stylesheet">
+    <link href="/hono/docs/css/nucleus.css?1595294628" rel="stylesheet">
+    <link href="/hono/docs/css/fontawesome-all.min.css?1595294628" rel="stylesheet">
+    <link href="/hono/docs/css/hybrid.css?1595294628" rel="stylesheet">
+    <link href="/hono/docs/css/featherlight.min.css?1595294628" rel="stylesheet">
+    <link href="/hono/docs/css/perfect-scrollbar.min.css?1595294628" rel="stylesheet">
+    <link href="/hono/docs/css/auto-complete.css?1595294628" rel="stylesheet">
+    <link href="/hono/docs/css/theme.css?1595294628" rel="stylesheet">
+    <link href="/hono/docs/css/hugo-theme.css?1595294628" rel="stylesheet">
     
-      <link href="/hono/docs/css/theme-hono.css?1595208214" rel="stylesheet">
+      <link href="/hono/docs/css/theme-hono.css?1595294628" rel="stylesheet">
     
 
-    <script src="/hono/docs/js/jquery-2.x.min.js?1595208214"></script>
+    <script src="/hono/docs/js/jquery-2.x.min.js?1595294628"></script>
 
     <style type="text/css">
       :root #header + #content > #left > #rlblock_left{
@@ -83,14 +83,14 @@
     <span data-search-clear=""><i class="fas fa-times"></i></span>
 </div>
 
-<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1595208214"></script>
-<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1595208214"></script>
+<script type="text/javascript" src="/hono/docs/js/lunr.min.js?1595294628"></script>
+<script type="text/javascript" src="/hono/docs/js/auto-complete.js?1595294628"></script>
 <script type="text/javascript">
     
         var baseurl = "https:\/\/www.eclipse.org\/hono\/docs\/";
     
 </script>
-<script type="text/javascript" src="/hono/docs/js/search.js?1595208214"></script>
+<script type="text/javascript" src="/hono/docs/js/search.js?1595294628"></script>
 
     
   </div>
@@ -315,9 +315,28 @@
  
   
     
-      <li data-nav-id="/hono/docs/user-guide/device-registry/" title="Device Registry" class="dd-item ">
-        <a href="/hono/docs/user-guide/device-registry/">
-        Device Registry
+      <li data-nav-id="/hono/docs/user-guide/mongodb-based-device-registry/" title="MongoDB Based Device Registry" class="dd-item ">
+        <a href="/hono/docs/user-guide/mongodb-based-device-registry/">
+        MongoDB Based Device Registry
+        
+        </a>
+    </li>
+     
+  
+ 
+
+            
+          
+            
+            
+
+
+ 
+  
+    
+      <li data-nav-id="/hono/docs/user-guide/file-based-device-registry/" title="File Based Device Registry" class="dd-item ">
+        <a href="/hono/docs/user-guide/file-based-device-registry/">
+        File Based Device Registry
         
         </a>
     </li>
@@ -537,9 +556,28 @@
  
   
     
-      <li data-nav-id="/hono/docs/admin-guide/device-registry-config/" title="Device Registry Configuration" class="dd-item ">
-        <a href="/hono/docs/admin-guide/device-registry-config/">
-        Device Registry Configuration
+      <li data-nav-id="/hono/docs/admin-guide/mongodb-device-registry-config/" title="MongoDB Based Device Registry Configuration" class="dd-item ">
+        <a href="/hono/docs/admin-guide/mongodb-device-registry-config/">
+        MongoDB Based Device Registry Configuration
+        
+        </a>
+    </li>
+     
+  
+ 
+
+            
+          
+            
+            
+
+
+ 
+  
+    
+      <li data-nav-id="/hono/docs/admin-guide/file-based-device-registry-config/" title="File Based Device Registry Configuration" class="dd-item ">
+        <a href="/hono/docs/admin-guide/file-based-device-registry-config/">
+        File Based Device Registry Configuration
         
         </a>
     </li>
@@ -594,6 +632,25 @@
  
   
     
+      <li data-nav-id="/hono/docs/admin-guide/mqtt-adapter-config/" title="MQTT Adapter Configuration" class="dd-item ">
+        <a href="/hono/docs/admin-guide/mqtt-adapter-config/">
+        MQTT Adapter Configuration
+        
+        </a>
+    </li>
+     
+  
+ 
+
+            
+          
+            
+            
+
+
+ 
+  
+    
       <li data-nav-id="/hono/docs/admin-guide/amqp-adapter-config/" title="AMQP Adapter Configuration" class="dd-item ">
         <a href="/hono/docs/admin-guide/amqp-adapter-config/">
         AMQP Adapter Configuration
@@ -613,9 +670,9 @@
  
   
     
-      <li data-nav-id="/hono/docs/admin-guide/mqtt-adapter-config/" title="MQTT Adapter Configuration" class="dd-item ">
-        <a href="/hono/docs/admin-guide/mqtt-adapter-config/">
-        MQTT Adapter Configuration
+      <li data-nav-id="/hono/docs/admin-guide/coap-adapter-config/" title="CoAP Adapter Configuration" class="dd-item ">
+        <a href="/hono/docs/admin-guide/coap-adapter-config/">
+        CoAP Adapter Configuration
         
         </a>
     </li>
@@ -1277,7 +1334,27 @@
                   
                     
                     
-                      <option id="stable" value="/hono/docs/admin-guide/kura-adapter-config/" selected>stable (1.2)</option>
+                      <option id="stable" value="/hono/docs/admin-guide/kura-adapter-config/" selected>stable (1.3)</option>
+                    
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+                  
+              
+          
+              
+              
+                  
+              
+                  
+                    
+                    
+                      <option id="1.2" value="/hono/docs/1.2/admin-guide/kura-adapter-config/">1.2</option>
                     
                   
               
@@ -1293,6 +1370,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.1" value="/hono/docs/1.1/admin-guide/kura-adapter-config/">1.1</option>
@@ -1311,6 +1390,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="1.0" value="/hono/docs/1.0/admin-guide/kura-adapter-config/">1.0</option>
@@ -1329,6 +1410,8 @@
                   
               
                   
+              
+                  
                     
                     
                       <option id="dev" value="/hono/docs/dev/admin-guide/kura-adapter-config/">dev</option>
@@ -1473,9 +1556,11 @@
         
 
 
-<p>The Kura protocol adapter exposes an MQTT topic hierarchy allowing Eclipse Kura&trade; based gateways to publish <em>control</em> and <em>data</em> messages to Eclipse Hono&trade;&rsquo;s Telemetry and Event endpoints.</p>
+<p>The Kura protocol adapter exposes an MQTT topic hierarchy allowing Eclipse Kura&trade; based gateways to access Eclipse Hono&trade;&rsquo;s
+south bound Telemetry, Event and Command &amp; Control APIs.</p>
 
-<p>The adapter is implemented as a Spring Boot application. It can be run either directly from the command line or by means of starting the corresponding <a href="https://hub.docker.com/r/eclipse/hono-adapter-kura/">Docker image</a> created from it.</p>
+<p>The adapter is implemented as a Spring Boot application. It can be run either directly from the command line or by means of starting the
+corresponding <a href="https://hub.docker.com/r/eclipse/hono-adapter-kura/">Docker image</a> created from it.</p>
 
 <p>The adapter supports the following standard configuration options:</p>
 
@@ -1607,6 +1692,13 @@
 </tr>
 
 <tr>
+<td align="left"><code>HONO_MQTT_MAX_CONNECTIONS</code><br><code>--hono.mqtt.maxConnections</code></td>
+<td align="center">no</td>
+<td align="left"><code>0</code></td>
+<td align="left">The maximum number of concurrent connections that the protocol adapter should accept. If not set (or set to <code>0</code>), the protocol adapter determines a reasonable value based on the available resources like memory and CPU.</td>
+</tr>
+
+<tr>
 <td align="left"><code>HONO_KURA_MAX_PAYLOAD_SIZE</code><br><code>--hono.kura.maxPayloadSize</code></td>
 <td align="center">no</td>
 <td align="left"><code>2048</code></td>
@@ -1640,6 +1732,13 @@
 <td align="left"><code>0ms</code></td>
 <td align="left">The duration after which the protocol adapter removes local state of the tenant (e.g. open AMQP links) with an amount and a unit, e.g. <code>2h</code> for 2 hours. See the <a href="https://docs.spring.io/spring-boot/docs/current/reference/html/spring-boot-features.html#boot-features-external-config-conversion-duration">Spring Boot documentation</a> for an explanation of the format. The value <code>0ms</code> disables the timeout.</td>
 </tr>
+
+<tr>
+<td align="left"><code>HONO_KURA_SEND_MESSAGE_TO_DEVICE_TIMEOUT</code><br><code>--hono.kura.sendMessageToDeviceTimeout</code></td>
+<td align="center">no</td>
+<td align="left"><code>1000</code></td>
+<td align="left">The amount of time (milliseconds) after which the sending of a command to a device using QoS 1 is considered to be failed. The value of this variable should be increased in cases where devices are connected over a network with high latency.</td>
+</tr>
 </tbody>
 </table>
 
@@ -2014,6 +2113,22 @@
             
         
                     
+                        
+            
+            
+                
+                    
+                
+                
+
+                    
+                    
+                    
+
+                    
+            
+        
+                    
             
         
                     
@@ -2151,6 +2266,38 @@
             
                 
                     
+                
+                
+
+                    
+                    
+                    
+
+                    
+            
+        
+                    
+                        
+            
+            
+                
+                    
+                
+                
+
+                    
+                    
+                    
+
+                    
+            
+        
+                    
+                        
+            
+            
+                
+                    
                     
                 
                 
@@ -2632,20 +2779,20 @@
     <div style="left: -1000px; overflow: scroll; position: absolute; top: -1000px; border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;">
       <div style="border: none; box-sizing: content-box; height: 200px; margin: 0px; padding: 0px; width: 200px;"></div>
     </div>
-    <script src="/hono/docs/js/clipboard.min.js?1595208214"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.min.js?1595208214"></script>
-    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1595208214"></script>
-    <script src="/hono/docs/js/jquery.sticky.js?1595208214"></script>
-    <script src="/hono/docs/js/featherlight.min.js?1595208214"></script>
-    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1595208214"></script>
-    <script src="/hono/docs/js/highlight.pack.js?1595208214"></script>
+    <script src="/hono/docs/js/clipboard.min.js?1595294628"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.min.js?1595294628"></script>
+    <script src="/hono/docs/js/perfect-scrollbar.jquery.min.js?1595294628"></script>
+    <script src="/hono/docs/js/jquery.sticky.js?1595294628"></script>
+    <script src="/hono/docs/js/featherlight.min.js?1595294628"></script>
+    <script src="/hono/docs/js/html5shiv-printshiv.min.js?1595294628"></script>
+    <script src="/hono/docs/js/highlight.pack.js?1595294628"></script>
     <script>hljs.initHighlightingOnLoad();</script>
-    <script src="/hono/docs/js/modernizr.custom.71422.js?1595208214"></script>
-    <script src="/hono/docs/js/learn.js?1595208214"></script>
-    <script src="/hono/docs/js/hugo-learn.js?1595208214"></script>
+    <script src="/hono/docs/js/modernizr.custom.71422.js?1595294628"></script>
+    <script src="/hono/docs/js/learn.js?1595294628"></script>
+    <script src="/hono/docs/js/hugo-learn.js?1595294628"></script>
 
-    <link href="/hono/docs/mermaid/mermaid.css?1595208214" type="text/css" rel="stylesheet" />
-    <script src="/hono/docs/mermaid/mermaid.js?1595208214"></script>
+    <link href="/hono/docs/mermaid/mermaid.css?1595294628" type="text/css" rel="stylesheet" />
+    <script src="/hono/docs/mermaid/mermaid.js?1595294628"></script>
     <script>
         mermaid.initialize({ startOnLoad: true });
     </script>