Some reorganization of source tree.

- Merged libglabels back into glabels.
- Created docs directory.
- Adjusted COPYING files to reflect above changes.

glabels/PropertiesView.cpp

@@ -24,13 +24,12 @@
 #include <QStyledItemDelegate>
 #include <QtDebug>
 
+#include "Db.h"
 #include "LabelModel.h"
 #include "SelectProductDialog.h"
 #include "Settings.h"
 #include "UndoRedoModel.h"
 
-#include "libglabels/Db.h"
-
 
 ///
 /// Constructor