Added an event to search for servers.

Client now broadcasts a serverlistrequest.
An active server will then answer the request and send info about the server.
The client saves this data to a list and presents it to the user.

include/Engine/Network/ESearchForServers.h

@@ -0,0 +1,12 @@
+#ifndef Events_SearchForServers_h__
+#define Events_SearchForServers_h__
+
+#include "Core/Event.h"
+
+namespace Events
+{
+
+struct SearchForServers : public Event { };
+
+}
+#endif