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/component/Component.cpp

@@ -1,21 +1,18 @@
 #include "component/Component.h"
 
+#include "component/view/View.h"
+#include "component/controller/Controller.h"
+
 Component::Component(std::shared_ptr<View> view, std::shared_ptr<Controller> controller)
 	: m_controller(controller)
 	, m_view(view)
 {
+	m_controller->setComponent(this);
+	m_view->setComponent(this);
 }
 
 Component::~Component()
 {
-}
-
-Controller* Component::getController() const
-{
-	return m_controller.get();
-}
-
-View* Component::getView() const
-{
-	return m_view.get();
+	m_controller->setComponent(NULL);
+	m_view->setComponent(NULL);
 }