Renew the updater branch

Now with some actual consensus on what the updater will do!

mmc_updater/src/UpdateMessage.h

@@ -0,0 +1,42 @@
+#pragma once
+
+#include <string>
+
+/** UpdateMessage stores information for a message
+  * about the status of update installation sent
+  * between threads.
+  */
+class UpdateMessage
+{
+	public:
+		enum Type
+		{
+			UpdateFailed,
+			UpdateProgress,
+			UpdateFinished
+		};
+
+		UpdateMessage(void* receiver, Type type)
+		{
+			init(receiver,type);
+		}
+
+		UpdateMessage(Type type)
+		{
+			init(0,type);
+		}
+
+		void* receiver;
+		Type type;
+		std::string message;
+		int progress;
+
+	private:
+		void init(void* receiver, Type type)
+		{
+			this->progress = 0;
+			this->receiver = receiver;
+			this->type = type;
+		}
+};
+