Put GH release link first in readme

Author: acogoluegnes

README.md

@@ -8,8 +8,8 @@ The client is maintained by the [RabbitMQ team at Pivotal](http://github.com/rab
 ## Installation
 
 This is a standalone tool that is distributed in binary form using
-[Bintray](https://bintray.com/rabbitmq/java-tools/perf-test) or
-[GitHub releases](https://github.com/rabbitmq/rabbitmq-perf-test/releases)
+[GitHub releases](https://github.com/rabbitmq/rabbitmq-perf-test/releases) or
+[Bintray](https://bintray.com/rabbitmq/java-tools/perf-test)
 and as a JAR file on Maven Central (see below).
 
 ## Documentation