Renamed ActionOutput FlowEntry attribute to ActionOutputPort, because
it actually contains the output port value.

NOTE: The corresponding Titan graph property has been renamed from
"actionOutput" to "actionOutputPort".
As a result, ONOS should be restarted with clean database.
diff --git a/web/add_flow.py b/web/add_flow.py
index f61e926..9ecb102 100755
--- a/web/add_flow.py
+++ b/web/add_flow.py
@@ -506,18 +506,16 @@
   usage_msg = usage_msg + "\n"
   usage_msg = usage_msg + "    Actions:\n"
   usage_msg = usage_msg + "        actionOutput <True|False> (default to True)\n"
+  usage_msg = usage_msg + "        actionSetVlanId <VLAN ID>\n"
+  usage_msg = usage_msg + "        actionSetVlanPriority <VLAN priority>\n"
+  usage_msg = usage_msg + "        actionStripVlan <True|False>\n"
   usage_msg = usage_msg + "        actionSetEthernetSrcAddr <source MAC address>\n"
   usage_msg = usage_msg + "        actionSetEthernetDstAddr <destination MAC address>\n"
   usage_msg = usage_msg + "        actionSetIPv4SrcAddr <source IPv4 address>\n"
   usage_msg = usage_msg + "        actionSetIPv4DstAddr <destination IPv4 address>\n"
-  usage_msg = usage_msg + "\n"
-  usage_msg = usage_msg + "    Actions (not implemented yet):\n"
-  usage_msg = usage_msg + "        actionSetVlanId <VLAN ID>\n"
-  usage_msg = usage_msg + "        actionSetVlanPriority <VLAN priority>\n"
   usage_msg = usage_msg + "        actionSetIpToS <IP ToS (DSCP field, 6 bits)>\n"
   usage_msg = usage_msg + "        actionSetTcpUdpSrcPort <source TCP/UDP port>\n"
   usage_msg = usage_msg + "        actionSetTcpUdpDstPort <destination TCP/UDP port>\n"
-  usage_msg = usage_msg + "        actionStripVlan <True|False>\n"
   usage_msg = usage_msg + "        actionEnqueue <dummy argument>\n"
 
   # app.debug = False;