draft-ietf-oauth-json-web-token-06 --> rfc7519 (firebase#107)

The README says this package is conform rfc7519 (May 2015) rather than just the 6th draft (valid until June 2013). The implementation seems indeed to be compatible with the rfc.

Author: akeeman

src/JWT.php

@@ -8,7 +8,7 @@
 
 /**
  * JSON Web Token implementation, based on this spec:
- * http://tools.ietf.org/html/draft-ietf-oauth-json-web-token-06
+ * https://tools.ietf.org/html/rfc7519
  *
  * PHP version 5
  *