use gradle-jpi-plugin version 0.7.2
enable IDE support for IDEA
added GroovyDoc and test spec for AST transformation
Merge pull request #341 from jenkinsci/ide-support

Initial IDE Support
JENKINS-25922 Add Publish Over SSH plugin support.
removed publishoverssh package
cleanup, added PublishOverSshCredentialsContext
Merge branch 'JENKINS-25922'
Merge remote-tracking branch 'upstream/master' into JENKINS-16356
Remove SeedReference for renamed and updated job.