QA: BWC: 2.0.0

'org.elasticsearch.qa.backwards:2.0.0:2.1.2'

<dependency>
	<groupId>org.elasticsearch.qa.backwards</groupId>
	<artifactId>2.0.0</artifactId>
	<version>2.1.2</version>
</dependency>

<dependency org="org.elasticsearch.qa.backwards" name="2.0.0" rev="2.1.2"/>

"org.elasticsearch.qa.backwards", "2.0.0", "2.1.2"