Some improvements, added cutscene stub

src/Location.h

@@ -126,6 +126,8 @@ namespace ZL
 		void handleMotion(int64_t fingerId, int eventX, int eventY, int mx, int my);
 
 		bool requestDialogueStart(const std::string& dialogueId);
+		bool requestCutsceneStart(const std::string& cutsceneId);
+		void setOnCutsceneFinished(std::function<void(const std::string&)> cb);
 		void setDialogueFlag(const std::string& flag, int value);
 		int getDialogueFlag(const std::string& flag) const;