Clarifying license, part of requirejs/requirejs#1502

jrburke · jrburke · commit 44407ef75ed0 · 2016-03-08T14:01:36.000-08:00
diff --git a/LICENSE b/LICENSE
@@ -0,0 +1,6 @@
+Copyright and related rights for this sample code are waived via CC0. Utilities
+and libraries in the sample code that are externally maintained have their own
+licenses; we recommend you read them, as their terms may differ from the sample
+code.
+
+CC0: http://creativecommons.org/publicdomain/zero/1.0/
