Merge into master from pull request #3538:

Register Vendor Actions on Floodlight startup (https://github.com/bigswitch/bigswitchcontroller/pull/3538)

src/main/java/com/bigswitch/floodlight/vendor/OFActionTunnelDstIP.java

 package com.bigswitch.floodlight.vendor;
 
+import net.floodlightcontroller.core.web.serializers.IPv4Serializer;
 import net.floodlightcontroller.packet.IPv4;
 
 import org.jboss.netty.buffer.ChannelBuffer;
 
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+
 public class OFActionTunnelDstIP extends OFActionBigSwitchVendor {
     public final static int MINIMUM_LENGTH_TUNNEL_DST = 16;
     public  final static int SET_TUNNEL_DST_SUBTYPE = 2;
@@ -20,6 +23,7 @@ public class OFActionTunnelDstIP extends OFActionBigSwitchVendor {
         this.dstIPAddr = dstIPAddr;
     }
 
+    @JsonSerialize(using=IPv4Serializer.class)
     public int getTunnelDstIP() {
         return this.dstIPAddr;
     }

src/main/java/net/floodlightcontroller/core/internal/Controller.java

@@ -114,6 +114,8 @@ import org.sdnplatform.sync.error.SyncException;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import com.bigswitch.floodlight.vendor.OFVendorActions;
+
 
 
 /**
@@ -2176,6 +2178,9 @@ public class Controller implements IFloodlightProviderService,
         // Configure openflowj to be able to parse the role request/reply
         // vendor messages.
         OFNiciraVendorExtensions.initialize();
+
+        // Register the standard Vendor actions that we support
+        OFVendorActions.registerStandardVendorActions();
     }
 
     /**