RELICENSE: Link to 0MQ Licensing page

RELICENSE/README.md

@@ -4,7 +4,8 @@ This directory collects grants from individuals and firms that hold
 copyrights in ZeroMQ to permit licensing the ZeroMQ code under
 the [Mozilla Public License, version
 2](https://www.mozilla.org/en-US/MPL/2.0/).  See [GitHub Pull
-Request #1917](https://github.com/zeromq/libzmq/pull/1917) and
+Request #1917](https://github.com/zeromq/libzmq/pull/1917),
+the [0MQ Licensing Page](http://zeromq.org/area:licensing) and
 [original iMatix zeromq-dev license
 grant](http://lists.zeromq.org/pipermail/zeromq-dev/2016-April/030288.html)
 for some background information.