utility: Sublime Plugin, import idna encoding

* include fileinfo in fileregister instead of include (for unordered_map)
* sublimeplugin import idna encoading

ide_plugins/sublime_text/CoatiPlugin/CoatiPlugin.py

@@ -3,6 +3,7 @@ import sublime_plugin
 import threading
 import socket
 import os.path
+import encodings.idna
 
 try:						# use this for Sublime Text 2
 	import SocketServer

src/lib/utility/file/FileRegister.h

@@ -9,12 +9,11 @@
 #include <thread>
 #include <vector>
 
+#include "utility/file/FileInfo.h"
 #include "utility/file/FilePath.h"
 
 class FileManager;
 
-struct FileInfo;
-
 class FileRegister
 {
 public: