Name of source project for copying of artifact(s).
May contain references to build parameters like $PARAM.
To copy from a particular module of a Maven project, enter JOBNAME/MODULENAME
as seen in the URL for that module when browsing Hudson.
Example: MyMavenJob/MyModule
To copy from a particular configuration of a multiconfiguration (matrix) project,
enter JOBNAME/AXIS=VALUE,.. as seen in the URL for that configuration.
Example: MyMatrixJob/jdk=Java6u17
To copy artifacts from one matrix project to another, use a parameter to
select the matching configuration in the source project.
Example: OtherMatrixJob/jdk=$jdk