ganga-devs/ganga: 6.2.2

ganga/python/Ganga Minor fix to the monitoring code. Remove some unneeded stack traces #713 Fix to the host machine identification #759 Fix to the splitter. It now fails if no splitting is done, rather than continuing regardless. #780 Fix to the ARC backend submission #789 Bugfix to raise an exception if a plugin fails to load at startup #794 Implementation of some forward compatibility for Ganga 6.3 #807 ganga/python/GangaLHCb Added the option to set the version of LHCbDirac and removed the old guess version code. Changed the default LHCbDirac version to v8r3p7 Fix to the old RT handlers to correctly parse the xml summary #816 Fix some minor bugs in GaudiExec with inputfiles and preparing a raw release with 'prepareGaudiExec' #822 Bugfix for the GaudiExec prepare thread lock #831 ganga/python/Ganga/test Change to the setting of configuration options for tests #742 Fix to the LCG test #761 Fix to the Dirac test to try each SE in order until one works #773 Removal of outdated LHCb tests #782 Ensure a fresh .gangarc is being used for tests #80