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/QtGraphNodeText.cpp

@@ -1,6 +1,6 @@
 #include "qt/view/graphElements/QtGraphNodeText.h"
 
-QtGraphNodeText::QtGraphNodeText(const std::string& name)
+QtGraphNodeText::QtGraphNodeText(const std::wstring& name)
 {
 	setName(name);
 }