Some reorganization of source tree.

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

glabels/MainWindow.cpp

@@ -37,6 +37,7 @@
 #include <QToolBar>
 #include <QtDebug>
 
+#include "Db.h"
 #include "File.h"
 #include "Help.h"
 #include "Icons.h"
@@ -50,8 +51,6 @@
 #include "StartupView.h"
 #include "UndoRedoModel.h"
 
-#include "libglabels/Db.h"
-
 
 ///
 /// Constructor