Prepare installers and Jenkins for Release FIFTEEN

Change-Id: I2b6f9d6743860e425915497314ab82a4e20c60e3
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/jenkins/public-clouds-tests/Jenkinsfile b/jenkins/public-clouds-tests/Jenkinsfile
index d5f55a6..a5cf8a5 100644
--- a/jenkins/public-clouds-tests/Jenkinsfile
+++ b/jenkins/public-clouds-tests/Jenkinsfile
@@ -21,7 +21,7 @@
 
         // Parameters to define the specific OSM version to test
         // --> Defaults to latest stable version of Release FOURTEEN
-        string(defaultValue: 'https://osm-download.etsi.org/ftp/osm-14.0-fourteen/install_osm.sh', description: 'URL to OSM installer', name: 'INSTALLER_URL')
+        string(defaultValue: 'https://osm-download.etsi.org/ftp/osm-15.0-fifteen/install_osm.sh', description: 'URL to OSM installer', name: 'INSTALLER_URL')
         string(defaultValue: 'testing-daily', description: 'Release for OSM binaries (REPO_BASE)', name: 'REPO_BASE')
         string(defaultValue: 'testing-daily', description: 'OSM docker tag (DOCKER_TAG)', name: 'DOCKER_TAG')
         string(defaultValue: 'testing', description: 'Repository name for OSM packages (REPO_NAME)', name: 'REPO_NAME')