logic: Show overview of analyzed symbols after launch

* show analysed nodes as bundles in graph
* ellide node names longer than 50 chars
* sort nodes alphabetic in these bundles
* show stats of analysis in code
* error are displayed as well in overview
* added keywords overview and error
* project description can be set in .coatiproject file
* description can include links to symbols using [symbol] syntax
* updated documentation
* increased toc nesting in documentation

src/lib/component/controller/helper/BucketGrid.cpp

@@ -126,13 +126,18 @@ void BucketGrid::createBuckets(std::vector<DummyNode>& nodes, const std::vector<
 	bool activeNodeAdded = false;
 	for (DummyNode& node : nodes)
 	{
-		if (node.hasActiveSubNode())
+		if (node.hasActiveSubNode() || !edges.size())
 		{
 			addNode(&node);
 			activeNodeAdded = true;
 		}
 	}
 
+	if (!edges.size())
+	{
+		return;
+	}
+
 	if (!activeNodeAdded)
 	{
 		addNode(&nodes[0]);