logic: multiple fixes and improvements

* showing project name in main window title
* keep reference count visible when maximizing code file
* show first node in db when no main function is available
* log Storage stats after parse
* fixed macro locations saved multiply
* using NameHierarchy when retrieving ids

src/lib/utility/file/FileRegister.h

@@ -21,6 +21,8 @@ public:
 	std::vector<FilePath> getUnparsedSourceFilePaths() const;
 	std::vector<FilePath> getUnparsedIncludeFilePaths() const;
 
+	bool fileIsParsed(const FilePath& filePath) const;
+
 	bool includeFileIsParsing(const FilePath& filePath) const;
 	bool includeFileIsParsed(const FilePath& filePath) const;