builtin/{network,client_file}: Tweak and fix minor things

builtin/client_file/meta.txt

@@ -1,2 +1,5 @@
 {
+	"dependencies": [
+		{"module": "network"}
+	]
 }

builtin/network/api.h

@@ -2,6 +2,8 @@
 // Copyright 2014 Perttu Ahola <celeron55@gmail.com>
 #pragma once
 #include "interface/event.h"
+#include "interface/server.h"
+#include "interface/module.h"
 #include <functional>
 
 namespace network

builtin/network/network.cpp

@@ -1,12 +1,12 @@
 // http://www.apache.org/licenses/LICENSE-2.0
 // Copyright 2014 Perttu Ahola <celeron55@gmail.com>
+#include "network/api.h"
+#include "core/log.h"
 #include "interface/module.h"
 #include "interface/server.h"
 #include "interface/event.h"
 #include "interface/tcpsocket.h"
 #include "interface/packet_stream.h"
-#include "network/api.h"
-#include "core/log.h"
 #include <cereal/archives/portable_binary.hpp>
 #include <cereal/types/vector.hpp>
 #include <cereal/types/tuple.hpp>

doc/todo.txt

@@ -25,3 +25,4 @@ Buildat TODO
 - Entity system with automated network sync
 - Support Cereal's shared pointer serialization in Lua
 - Something in uistack's global nil focus handling has broken
+- Automatically fetch and build and patch Urho3D when building buildat