Fix launch of the build on Jenkins


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@1460423 13f79535-47bb-0310-9956-ffa450edef68
Jenkins configuration doesn't seem to work, hard code the launch config in the build


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@1460425 13f79535-47bb-0310-9956-ffa450edef68