Merge branch 'master' of https://git.fortiss.org/af3/maven-releng.git

Readme.md

 **Maven build configuration for local and jenkins builds**
 
-*Structure*
+***Structure***
 
 * bundles
   Holds the sources to compile the product. Each repository added here as a git
@@ -25,7 +25,13 @@
 * releng
   Contains common configuration shared by all plugins, update site configs, and
 
-*Debugging Build Failures*
+***Updating references***
+
+To update references to AF3 in order to build a new release 
+ * execute `it submodule update --remote` in root maven-releng and
+ * commit and push changes
+
+***Debugging Build Failures***
 
 Whenever a CI job fails, it may be caused by a problematic source code change, a
 bug in the maven-releng configuration, the docker image, or related to the