Remove stack limits for mceloud

Change-Id: Ibe47359da89318005de48d3c93f6515e1e5d43d9
diff --git a/lab-pipeline.groovy b/lab-pipeline.groovy
index 1b7facb..9dad0fe 100644
--- a/lab-pipeline.groovy
+++ b/lab-pipeline.groovy
@@ -121,7 +121,7 @@
                     // Verify possibility of create stack for given user and stack type
                     //
                     wrap([$class: 'BuildUser']) {
-                        if (env.BUILD_USER_ID && !env.BUILD_USER_ID.equals("jenkins") && !STACK_REUSE.toBoolean()) {
+                        if (env.BUILD_USER_ID && !env.BUILD_USER_ID.equals("jenkins") && !env.BUILD_USER_ID.equals("mceloud") && !STACK_REUSE.toBoolean()) {
                             def existingStacks = openstack.getStacksForNameContains(openstackCloud, "${env.BUILD_USER_ID}-${JOB_NAME}", openstackEnv)
                             if(existingStacks.size() >= _MAX_PERMITTED_STACKS){
                                 STACK_DELETE = "false"