ppcg_tuning.sh: add the possibility to pause the tuning while the script is working
ppcg_tuning.sh: add the possibility to pause the tuning while the script is working


Former-commit-id: 7dde601ea43016b1f287f41105fb7a65f0bdbaab
dividiti/pencil-benchmark,dividiti/pencil-benchmark,dividiti/pencil-benchmark,pencil-language/pencil-benchmark,pencil-language/pencil-benchmark,rbaghdadi/pencil-benchmark,rbaghdadi/pencil-benchmark,rbaghdadi/pencil-benchmark,pencil-language/pencil-benchmark