added: setting a correct mime type for static files - using magic library

added: std::wstring file_mime_type to ItemContent - a mime type for static file
added: Header (core/header.h) - there will be header names defined, at the moment only content_type
added: FuncionsBase::Finish() - it is called at the end when the winix finishes

winixd/functions/functions.h

@@ -149,6 +149,7 @@ public:
 	typedef Table::iterator Iterator;
 
 	void Init();
+	void Finish();
 	void Parse();
 	size_t FunctionsSize();
 
@@ -210,6 +211,7 @@ private:
 
 	void CreateFunctions();
 	void InitFunctions();
+	void FinishFunctions();
 
 	void SetObjects(FunctionBase * fun);
 	void SetDefaultFunctionForFile();