Fix README badges and URLs
-AssertJ Assertions for Guava
+AssertJ Assertions for Guava [![Maven Central](https://img.shields.io/maven-central/v/org.assertj/assertj-guava.svg?label=Maven%20Central)](https://search.maven.org/search?q=g:%22org.assertj%22%20AND%20a:%22assertj-guava%22) [![Javadocs](http://www.javadoc.io/badge/org.assertj/assertj-guava.svg)](http://www.javadoc.io/doc/org.assertj/assertj-guava)
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AssertJ assertions for [**Guava**](https://github.com/google/guava) provides assertions for Guava types like `Multimap`, `Table`, `ByteSource` or `Optional`.
-Please have a look at the complete documentation in [**assertj.org Guava section**](http://joel-costigliola.github.io/assertj/assertj-guava.html), including a [**quickstart guide**](http://joel-costigliola.github.io/assertj/assertj-guava.html#quickstart).
+Please have a look at the complete documentation in the [**AssertJ Guava section**](https://assertj.github.io/doc/#assertj-guava), including a [**quickstart guide**](https://assertj.github.io/doc/#assertj-guava-quick-start).
