Disable CIGame for OpenJDK build for now as the JDK is not installed on all slaves, fix blank, add more disabled slaves

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1772960 13f79535-47bb-0310-9956-ffa450edef68

jenkins/create_jobs.groovy

@@ -17,7 +17,9 @@ def poijobs = [
     ],
     [ name: 'POI-DSL-OpenJDK', jdks: ["OpenJDK"], trigger: 'H */12 * * *',
         // H16 does not have OpenJDK 6 installed
-        slaveAdd: '&&!H16'
+        slaveAdd: '&&!H16&&!ubuntu-eu2',
+        // the JDK is missing on some slaves so builds are unstable
+        skipcigame: true
     ],
     [ name: 'POI-DSL-1.9', jdks: ['1.9'], trigger: triggerSundays,
         properties: ['-Dmaxpermsize=-Dthis.is.a.dummy=true', '-Djava9addmods=--add-modules=java.xml.bind', '-Djava9addmodsvalue=-Dsun.reflect.debugModuleAccessChecks=true', '-Djava.locale.providers=JRE,CLDR'],