Move all the things (YES. Move them.)

Also, implemented some basic modlist logic, to be wired up.

logic/OneSixInstance_p.h

@@ -0,0 +1,9 @@
+#pragma once
+
+#include "BaseInstance_p.h"
+#include "OneSixVersion.h"
+
+struct OneSixInstancePrivate: public BaseInstancePrivate
+{
+	QSharedPointer<FullVersion> version;
+};