logic: use wstring in symbol and bookmark names

* use wstring in symbol and bookmark names
* fixed setting apppath in windows includes
* regard utf8 encoding in shared indexer commands
* regard utf8 encoding in shared indexer status

src/lib_gui/qt/view/graphElements/QtGraphNodeData.h

@@ -10,7 +10,7 @@ class QtGraphNodeData
 {
 	Q_OBJECT
 public:
-	QtGraphNodeData(const Node* data, const std::string& name, bool hasParent, bool childVisible, bool hasQualifier);
+	QtGraphNodeData(const Node* data, const std::wstring& name, bool hasParent, bool childVisible, bool hasQualifier);
 	virtual ~QtGraphNodeData();
 
 	const Node* getData() const;