Merge pull request #13 from jenkinsci/bugfix/versions-order

Fix versions order (until 3.2.x)

Author: ericcitaire

pom.xml

@@ -9,7 +9,7 @@
  </parent>
 
  <artifactId>docker-java-api</artifactId>
- <version>${revision}-${changelist}</version>
+ <version>${revision}.3-${changelist}</version>
  <packaging>hpi</packaging>
 
  <name>Docker API Plugin</name>