[Pharo-dev] [update 2.0] #20621

20621 ----- 11678 ConfigurationCommandLineHandler should allow multiple groups https://pharo.fogbugz.com/f/cases/11678 11628 Give Job its own announcer, no longer use the SystemAnnouncer [Backport] https://pharo.fogbugz.com/f/cases/11628 Diff information: http://ss3.gemstone.com/ss/Pharo20/Morphic-MarcusDenker.1378.diff http://ss3.gemstone.com/ss/Pharo20/Kernel-MarcusDenker.1354.diff http://ss3.gemstone.com/ss/Pharo20/ConfigurationCommandLineHandler-Tests-Mar... http://ss3.gemstone.com/ss/Pharo20/ConfigurationCommandLineHandler-Core-Marc...