jenkins development: more messing with the output of jenkins_build status

git-svn-id: svn://dev.exiv2.org/svn@3343 b7c8b350-86e7-0310-a4b4-de8f6a8f16a3
jenkins development: enhanced ./jenkins_build status output

git-svn-id: svn://dev.exiv2.org/svn@3344 b7c8b350-86e7-0310-a4b4-de8f6a8f16a3