add initial examples, replacing the 'Demos/Demos3'. Will make it work cross-platform, OpenGL3/OpenGL2 and add more examples to it.

examples/ThirdPartyLibs/Gwen/Controls/SplitterBar.cpp

@@ -0,0 +1,23 @@
+
+#include "Gwen/Gwen.h"
+#include "Gwen/Controls/SplitterBar.h"
+
+using namespace Gwen;
+using namespace Controls;
+
+GWEN_CONTROL_CONSTRUCTOR( SplitterBar )
+{
+	SetTarget( this );
+	RestrictToParent( true );
+}
+
+void SplitterBar::Render( Skin::Base* skin )
+{
+	if ( ShouldDrawBackground() )
+		skin->DrawButton( this, true, false );
+}
+
+void SplitterBar::Layout( Skin::Base* /*skin*/ )
+{
+	MoveTo( X(), Y() );
+}