Make 1.6+ work with new instance format.

logic/minecraft/VersionSource.h

@@ -0,0 +1,9 @@
+#pragma once
+
+/// where is a version from?
+enum VersionSource
+{
+	Builtin, //!< version loaded from the internal resources.
+	Local, //!< version loaded from a file in the cache.
+	Remote, //!< incomplete version on a remote server.
+};