Add the panel defintion.

data/gui/default/widget/panel_default.cfg

@@ -0,0 +1,31 @@
+###
+### Default definition of a panel.
+###
+
+[panel_definition]
+
+	id = "default"
+	description = "The default panel, we basically are an 'invisible' grid at the moment."
+
+	[resolution]
+
+		[background]
+
+			[draw]
+
+			[/draw]
+
+		[/background]
+
+		[foreground]
+
+			[draw]
+
+			[/draw]
+
+		[/foreground]
+
+	[/resolution]
+
+[/panel_definition]
+