Switch to Jenkins 2.60
<url>http://wiki.jenkins-ci.org/display/JENKINS/Mercurial+Plugin</url>
<properties>
- <jenkins-core.version>2.58-20170502.192524-8</jenkins-core.version> <!-- TODO: Switch to release once https://github.com/jenkinsci/jenkins/pull/2730 is merged and released -->
- <jenkins-war.version>2.58-20170502.192544-8</jenkins-war.version> <!-- TODO: Switch to release once https://github.com/jenkinsci/jenkins/pull/2730 is merged and released -->
+ <jenkins.version>2.60</jenkins.version>
<no-test-jar>false</no-test-jar>
<scm-api-plugin.version>2.1.0</scm-api-plugin.version>
</properties>
