logic: Retrieving StorageNodes for Autocompletion and FileInfos for modification time at once

Had only a small impact on performance unfortunately.

src/lib/utility/file/FileInfo.cpp

@@ -2,17 +2,15 @@
 
 FileInfo::FileInfo()
 	: path(FilePath(""))
-	, lastWriteTime(boost::posix_time::not_a_date_time)
 {
 }
 
 FileInfo::FileInfo(const FilePath& path)
 	: path(path)
-	, lastWriteTime(boost::posix_time::not_a_date_time)
 {
 }
 
-FileInfo::FileInfo(const FilePath& path, boost::posix_time::ptime lastWriteTime)
+FileInfo::FileInfo(const FilePath& path, const TimePoint& lastWriteTime)
 	: path(path)
 	, lastWriteTime(lastWriteTime)
 {

src/lib/utility/file/FileInfo.h

@@ -6,15 +6,16 @@
 #include "boost/date_time.hpp"
 
 #include "utility/file/FilePath.h"
+#include "utility/TimePoint.h"
 
 struct FileInfo
 {
 	FileInfo();
 	FileInfo(const FilePath& path);
-	FileInfo(const FilePath& path, boost::posix_time::ptime lastWriteTime);
+	FileInfo(const FilePath& path, const TimePoint& lastWriteTime);
 
 	FilePath path;
-	boost::posix_time::ptime lastWriteTime;
+	TimePoint lastWriteTime;
 };
 
 #endif // FILE_INFO_H