Change API for packaging

vars/packageStep.groovy

@@ -9,7 +9,8 @@ void call(Map config = [:]) {
     ]
 
     Map runConfig = defaults + config
-
+    stage(runConfig.stepName) {
+        printBanner(runConfig.stepName)
         String archiveName = "${runConfig.name}-${runConfig.tag}.${runConfig.extension}"
 
         echo "Will tag result as: ${archiveName}"
@@ -19,3 +20,4 @@ void call(Map config = [:]) {
         """
         archiveArtifacts artifacts: archiveName, followSymlinks: false
     }
+}