Stormpath + Okta Readme Update

Author: brentstormpath

README.md

@@ -1,3 +1,8 @@
+#Stormpath is Joining Okta
+We are incredibly excited to announce that [Stormpath is joining forces with Okta](https://stormpath.com/blog/stormpaths-new-path?utm_source=github&utm_medium=readme&utm-campaign=okta-announcement). Please visit [the Migration FAQs](https://stormpath.com/oktaplusstormpath?utm_source=github&utm_medium=readme&utm-campaign=okta-announcement) for a detailed look at what this means for Stormpath users.
+
+We're available to answer all questions at [[email protected]](mailto:[email protected]).
+
 # Stormpath PHP SDK 
 
 [![Build Status](https://api.travis-ci.org/stormpath/stormpath-sdk-php.svg?branch=master,dev)](https://travis-ci.org/stormpath/stormpath-sdk-php) 
@@ -71,4 +76,4 @@ If you feel the contributions require document changes as well, or the contribut
 
 Copyright © 2013-2017 Stormpath, Inc. and contributors.
 
-This project is open-source via the [Apache 2.0 License](http://www.apache.org/licenses/LICENSE-2.0).
+This project is open-source via the [Apache 2.0 License](http://www.apache.org/licenses/LICENSE-2.0).