[Pharo-project] Pharo Kernel jobs on new infrastructure

Hi, I moved the Pharo Kernel 2.0 Jobs to the new infrastructure. It seems to work well. https://ci.inria.fr/pharo/view/Pharo%20Kernel%202.0/ We reduced test failures of Pharo Kernel to 15: https://ci.inria.fr/pharo/view/Pharo%20Kernel%202.0/job/Pharo%20Kernel%202.0... -- Pavel