Document permission received to use examples

Douglas Crockford <douglas@crockford.com> has given permission
for these examples to be used.

    Message-ID: <4DC01FB7.8090001@crockford.com>
    Date: Tue, 03 May 2011 08:31:03 -0700
    From: Douglas Crockford
    To: Mark Pulford
    Subject: Re: JSON examples

1 files changed, 2 insertions, 0 deletions

diff --git a/tests/README b/tests/README
index 58e7655..39e8bd4 100644
--- a/tests/README
+++ b/tests/README
@@ -1,2 +1,4 @@
 These JSON examples were taken from the JSON website
 (http://json.org/example.html) and RFC 4627.
+
+Used with permission.