data: cleaned up Graph classes

* removed self assignment of id from Token
* removed FilterableGraph interface from Graph
* creating Nodes and Edges on Graph with addNode and addGraph methods
* removed obsolete Aggregation edge filtering
* fixed clang warnings
* fixed memory leak for Node creation

src/lib/data/graph/Node.h

@@ -16,7 +16,8 @@ class TokenComponentStatic;
 class TokenComponentSignature;
 class TokenComponentFilePath;
 
-class Node: public Token
+class Node
+	: public Token
 {
 public:
 	typedef int NodeTypeMask;
@@ -47,7 +48,6 @@ public:
 	static int typeToInt(NodeType type);
 	static NodeType intToType(int value);
 
-	Node(NodeType type, std::shared_ptr<TokenComponentName> nameComponent);
 	Node(Id id, NodeType type, std::shared_ptr<TokenComponentName> nameComponent);
 	Node(const Node& other);
 	virtual ~Node();