KNOX-2152 - Disable Ambari cluster configuration monitoring by default (#225)

diff --git a/gateway-server/src/main/java/org/apache/knox/gateway/config/impl/GatewayConfigImpl.java b/gateway-server/src/main/java/org/apache/knox/gateway/config/impl/GatewayConfigImpl.java
index 342628b..19741c8 100644
--- a/gateway-server/src/main/java/org/apache/knox/gateway/config/impl/GatewayConfigImpl.java
+++ b/gateway-server/src/main/java/org/apache/knox/gateway/config/impl/GatewayConfigImpl.java
@@ -953,7 +953,7 @@
 
   @Override
   public boolean isClusterMonitorEnabled(String type) {
-    return getBoolean(CLUSTER_CONFIG_MONITOR_PREFIX + type.toLowerCase(Locale.ROOT) + CLUSTER_CONFIG_MONITOR_ENABLED_SUFFIX, true);
+    return getBoolean(CLUSTER_CONFIG_MONITOR_PREFIX + type.toLowerCase(Locale.ROOT) + CLUSTER_CONFIG_MONITOR_ENABLED_SUFFIX, false);
   }
 
   @Override