Suspend jobs (bstop)

Procedure

Use the -g option of bstop and specify a job group path to suspend jobs in a job group
```
bstop -g /risk_group 106
Job <106> is being stopped
```

Use job ID 0 (zero) to suspend all jobs in a job group:

bstop -g /risk_group/consolidate 0
Job <107> is being stopped 
Job <108> is being stopped 
Job <109> is being stopped