Add mvn-params to verify-java

'{project-name}-{stream}-verify-java' needs an option to
provide mvn-parameters to the builder step. Add mvn-params
parameter to the job.

Change-Id: Ib3ff4bfe487223270dcae508f4dbbfab880de178
Issue-ID: CIMAN-152
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
diff --git a/jjb/global-macros.yaml b/jjb/global-macros.yaml
index 6be0e0f..27167b6 100644
--- a/jjb/global-macros.yaml
+++ b/jjb/global-macros.yaml
@@ -123,6 +123,14 @@
           description: 'Used by Heat to generate a unique stack & vm name'
 
 - parameter:
+    name: maven-params
+    parameters:
+      - string:
+          name: MAVEN_PARAMS
+          default: '{mvn-params}'
+          description: Maven parameters to pass to the mvn command.
+
+- parameter:
     name: maven-exec
     parameters:
       - string: