Please add general support for Grape in every groovy script.
This could be done by adding ivy to the Jenkins classpath
Since Jekins supports groovy scripting in many places, it would be best to handle it globally, not inside specific plugins.
if you use @Grab and @Grape annotations inside any kind of groovy scripts, you will get this error:
Reason: grape personal dependency ivy is not present on Jenkins classpath
There is a solution only for 'job-dsl-plugin', but a general support would be more suitable:
see also: https://issues.jenkins-ci.org/browse/JENKINS-16361