adding SecureClusterBroadcastEnabled attribute

Author: robertpatrick

core/src/main/resources/oracle/weblogic/deploy/aliases/category_modules/Cluster.json

@@ -384,6 +384,7 @@
             {"version": "[14.1.2,15.1.1)", "wlst_mode": "both", "wlst_name": "ReplicationTimeoutMillis", "wlst_path": "WP001", "default_value": 0, "derived_default": "${:true}", "wlst_type": "integer" },
             {"version": "[15.1.1,)",       "wlst_mode": "both", "wlst_name": "ReplicationTimeoutMillis", "wlst_path": "WP001", "default_value": 0, "derived_default": true,       "wlst_type": "integer" }
         ],
+        "SecureClusterBroadcastEnabled": [ {"version":  "[15.1.1,)",  "wlst_mode": "both",  "wlst_name": "SecureClusterBroadcastEnabled", "wlst_path": "WP001", "default_value": "false", "wlst_type": "boolean", "derived_default": true } ],
         "SecureReplicationEnabled": [
             {"version": "[10,14.1.2)", "wlst_mode": "both", "wlst_name": "SecureReplicationEnabled", "wlst_path": "WP001", "default_value": "false", "secure_default": "${__NULL__:true}", "wlst_type": "boolean" },
             {"version": "[14.1.2,)",   "wlst_mode": "both", "wlst_name": "SecureReplicationEnabled", "wlst_path": "WP001", "default_value": "false", "wlst_type": "boolean", "derived_default": true }