Revert "Added warning about serialized object and removed beta."

This reverts commit 260d680.

Author: oschwald

README.md

@@ -2,6 +2,14 @@
 
 [![Build Status](https://travis-ci.org/maxmind/GeoIP2-java.png?branch=master)](https://travis-ci.org/maxmind/GeoIP2-java)
 
+## Beta Note ##
+
+This is a beta release. The API may change before the first production
+release, which will be numbered 2.0.0.
+
+You may find information on the GeoIP2 beta release process on [our
+website](http://www.maxmind.com/en/geoip2_beta).
+
 ## Description ##
 
 This distribution provides an API for the GeoIP2 [web services]
@@ -222,8 +230,6 @@ whenever possible.
 
 The GeoIP2 Java API uses [Semantic Versioning](http://semver.org/).
 
-Note: Serialized objects may not necessarily work between versions.
-
 ## Copyright and License ##
 
 This software is Copyright (c) 2013 by MaxMind, Inc.