logic: code controller communication

- Replaced CodeAccess with LocationAccess.
- Implemented basic functionality for CodeController.
- Added messaging to the project.
- Added QtThreadedFunctor to enable our Messaging thread to invoke calls on the QtThread.
- Added GraphController.

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src/lib/utility/messaging/type/MessageActivateTokenLocation.h

@@ -0,0 +1,15 @@
+#ifndef MESSAGE_ACTIVATE_TOKEN_LOCATION_H
+#define MESSAGE_ACTIVATE_TOKEN_LOCATION_H
+
+#include "utility/messaging/Message.h"
+
+class MessageActivateTokenLocation: public Message<MessageActivateTokenLocation>
+{
+public:
+	static const std::string getStaticType()
+	{
+		return "MessageActivateTokenLocation";
+	}
+};
+
+#endif // MESSAGE_ACTIVATE_TOKEN_LOCATION_H