Link to search.maven.org instead of the raw m2 repo

Author: felixbarny

docs/intro.asciidoc

@@ -33,7 +33,7 @@ Please also have a look at the documentation for
 === Get started
 
 The first step in getting started with the Elastic APM Java agent ist to download the latest release of the agent jar file from
-link:http://repo1.maven.org/maven2/co/elastic/apm/elastic-apm-agent/[maven central].
+link:http://search.maven.org/#search%7Cga%7C1%7Cg%3A%22co.elastic.apm%22%20AND%20a%3A%22elastic-apm-agent%22[maven central].
 
 NOTE: Don't declare a dependency to the agent in your application.