Add LICENSE

Signed-off-by: martin f. krafft <madduck@madduck.net>
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..9b98707
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,2 @@
+reclass is © 2007–2013 by martin f. krafft <madduck@madduck.net>
+Released under the terms of the Artistic Licence 2.0.