Fix YAML definition and parser.

Jenkinsfile_yaml

@@ -10,11 +10,11 @@ def text = releaseURL.toURL().getText()
 echo text
 
 //parsing
-List jsonConfig = new Yaml().load(text)
-jsonConfig.each{println it.subject}
+def jsonConfig = new Yaml().load(text)
+println jsonConfig.inspect()
+echo "gCube v. ${jsonConfig.gCube_release}"
 
-
-echo "gcube v. ${objejsonConfigct['gCube_version']}"
+jsonConfig.gCube_release.Components.each{println it.subject}
 
 pipeline {
   agent any

releases/gcube-4.14.5.yaml

@@ -1,5 +1,6 @@
 
-gCube_version: 4.14.5
+gCube_release:
+  Version: 4.14.5
   Components:
     SmartGear:
       - maven-parent