tasks now stop being scheduled if they fail 5 times. (this info is not saved. they will all have to be tried again onrestart of qmaster_scheduler)
changed from subprocess to psutil. fixed killing of children. no longer creates orphans
added cask1 and still1
kill_all_tsks only kill tasks with pids
monitor_still_v2, only show running tasks (with pids)
added PID to print_logs printout
summarize_night added per still time summary