Added rapidjson library

Added web_interface_utils.cpp/.h to common to provide string based functions for outputting JSON
Adjusted CMake to include rapidjson library and new web_interface_utils.h/cpp to common

Currently, I have code set up hackishly for testing so do not think it is final. It is merely for demonstrating what I've done and played with.

world/web_interface.cpp

@@ -99,6 +99,11 @@ bool WebInterfaceConnection::Process()
 				_log(WEB_INTERFACE__ERROR, "Got authentication from WebInterface when they are already authenticated.");
 				break;
 			}
+			case ServerOP_WIServGeneric:
+			{
+				zoneserver_list.SendPacket(pack); // Send to all zones to test
+				break;
+			}
 			default:
 			{
 				_log(WEB_INTERFACE__ERROR, "Unknown ServerOPcode from WebInterface 0x%04x, size %d", pack->opcode, pack->size);

world/zoneserver.cpp

@@ -36,6 +36,7 @@
 #include "AdventureManager.h"
 #include "ucs.h"
 #include "queryserv.h"
+#include "web_interface.h"
 
 extern ClientList client_list;
 extern GroupLFPList LFPGroupList;
@@ -46,6 +47,7 @@ extern volatile bool RunLoops;
 extern AdventureManager adventure_manager;
 extern UCSConnection UCSLink;
 extern QueryServConnection QSLink;
+extern WebInterfaceConnection WILink;
 void CatchSignal(int sig_num);
 
 ZoneServer::ZoneServer(EmuTCPConnection* itcpc)
@@ -1316,6 +1318,11 @@ bool ZoneServer::Process() {
 				zoneserver_list.SendPacket(pack);
 				break;
 			}
+			case ServerOP_WIWorldResponse:
+			{
+				WILink.SendPacket(pack);
+				break;
+			}
 			default:
 			{
 				zlog(WORLD__ZONE_ERR,"Unknown ServerOPcode from zone 0x%04x, size %d",pack->opcode,pack->size);