ui: Added on-screen search feature (issue #79)

* Use menu action "Edit -> Find in View" or Ctrl + D
* UI displayed as search bar at bottom of main window
* Hide search bar with ECS or close button
* Entering a query searches in name of graph nodes and code contents of code view
* Use Enter to iterate through matches, well move match into view in graph and code view
* Checkboxes allow for adding/removing results for certain views
* Create Bookmark shortcut is now CTRL + S

bug id = 79

src/lib/component/Component.h

@@ -15,9 +15,13 @@ public:
 	template <typename ControllerType>
 	ControllerType* getController() const;
 
+	Controller* getControllerPtr() const;
+
 	template <typename ViewType>
 	ViewType* getView() const;
 
+	View* getViewPtr() const;
+
 private:
 	const std::shared_ptr<Controller> m_controller;
 	const std::shared_ptr<View> m_view;