[JENKINS-18220] Diagnostics.
[JENKINS-17680] Upgrade the configuration < 1.26 automatically.
[FIXED JENKINS-17680] Update a test for configuration-upgrading.
ensure backward compatibility by assuming unresolved relative path means absolute path
Comment.
[JENKINS-17680] Make minimized diffs.
[JENKINS-17680] use @Initializer instead of ItemListener.
[JENKINS-17680] Upgrade is applied also to MatrixProject.
[JENKINS-17680] Added a test for verifying upgrading on building works.
Merge branch 'master' of github.com:jenkinsci/copyartifact-plugin
Updated help after projectName/parameters split.
[JENKINS-17680] Changed a confusiong method name.
Merge pull request #23 from ikedam/feature/JENKINS-17680-3

[JENKINS-17680] Upgrade configurations from version 1.25
Fixed unnecessary codes added by changes for JENKINS-17680.
[maven-release-plugin] prepare release copyartifact-1.28
[maven-release-plugin] prepare for next development iteration
Revert CRLF to LF in pom.xml, changed when releasing in Windows.
use MockFolder to test folders support
[FIXED JENKINS-19833] support (mostly) absolute path for job name
i.e. job name can be fully qualified but not start with "/"
required for backward compatibility
@daniel-beck noted that a comment is obsolete as of 882ddb0; deleting.