added logging.xml

1 job for richter-dev in 10 seconds (queued for 2 seconds)
Name Stage Failure
BranchJobLinux Linux There is an unknown failure, please try again
[INFO] ------------------------------------------------------------------------
[ERROR] The goal you specified requires a project to execute but there is no POM in this directory (/builds/monticore/EmbeddedMontiArc/languages/EmbeddedMontiArcMathOpt). Please verify you invoked Maven from the correct directory. -> [Help 1]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1]
ERROR: Job failed: exit code 1