Adds optional "title" attribute to SectionContent and show it in visible

areas e.g. context-menu.
Build as shared library by default.

AdvancedDockingSystemDemo/src/main.cpp

@@ -9,7 +9,7 @@ int main(int argc, char *argv[])
 	QApplication a(argc, argv);
 	a.setQuitOnLastWindowClosed(true);
 
-	Q_INIT_RESOURCE(ads);
+	//Q_INIT_RESOURCE(ads);
 
 	// Load style sheet
 	QFile f(":/stylesheets/default-windows.css");