ui: graph view layouting and member rendering

Added simple layouting functions (implementations for simple grid and circle layout).
Also the graph displays class members and connections (edges) to or from them "correctly" now.

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src/lib/component/controller/GraphLayouter.h

@@ -0,0 +1,17 @@
+#ifndef GRAPH_LAYOUTER_H
+#define GRAPH_LAYOUTER_H
+
+#include <vector>
+
+class DummyNode;
+
+typedef void (*LayoutFunction)(std::vector<DummyNode>&);
+
+class GraphLayouter
+{
+public:
+	static void layoutSimpleRaster(std::vector<DummyNode>& nodes);
+	static void layoutSimpleRing(std::vector<DummyNode>& nodes);
+};
+
+#endif // GRAPH_LAYOUTER_H