Prepare 1.0-M3.

Signed-off-by: Kai Hudalla <kai.hudalla@bosch-si.com>

Author: Kai Hudalla

site/content/download.md

@@ -49,6 +49,8 @@ Installation works in the same way as for the latest stable release.
 * [Eclipse Hono 1.0-M1 Command Line Client](https://www.eclipse.org/downloads/download.php?file=/hono/hono-cli-1.0-M1-exec.jar)
 * [Eclipse Hono 1.0-M2 Archive](https://www.eclipse.org/downloads/download.php?file=/hono/eclipse-hono-deploy-1.0-M2.tar.gz)
 * [Eclipse Hono 1.0-M2 Command Line Client](https://www.eclipse.org/downloads/download.php?file=/hono/hono-cli-1.0-M2-exec.jar)
+* [Eclipse Hono 1.0-M3 Archive](https://www.eclipse.org/downloads/download.php?file=/hono/eclipse-hono-deploy-1.0-M3.tar.gz)
+* [Eclipse Hono 1.0-M3 Command Line Client](https://www.eclipse.org/downloads/download.php?file=/hono/hono-cli-1.0-M3-exec.jar)
 
 ### Older Versions
 

site/content/release-notes.md

@@ -2,6 +2,14 @@
 title = "Release Notes"
 +++
 
+## 1.0-M3
+
+### Fixes & Enhancements
+
+* The protocol adapters add tracing information about invocations of the Device Registry
+  services again.
+* The example deployment now uses Qpid Dispatch Router 1.6.0.
+
 ## 1.0-M2
 
 ### New Features