Allow updates to VERSION file in docs-only patchsets

Split XOS job-group between code and docs patches

Ignore *.ico web icon files

Change-Id: Idaec4f7da20af59c88cdc92f112e652a99a71195
diff --git a/jjb/sonar.yaml b/jjb/sonar.yaml
index 6e66097..e99d779 100644
--- a/jjb/sonar.yaml
+++ b/jjb/sonar.yaml
@@ -49,7 +49,7 @@
           project-regexp: '^{project}$'
           branch-regexp: '{branch-regexp}'
           dependency-jobs: '{dependency-jobs}'
-          file-include-regexp: '{all-files-regexp}'
+          file-include-regexp: '{code-files-regexp}'
 
     properties:
       - cord-infra-properties: