Set the occasions when the job should be checkpointed according to a
a String composed by combining the string values for the
occasions when the job should be checkpointed.
Set the occasions when email should be sent for a job according to a
String composed of the string identifiers for the occasions when email
should be sent.
This is a simple JSV that:
Rejects binary jobs
Rejects parallel jobs that don't request a multiple of 16 processes
Temporarily reject jobs that request h_vmem
Removes request for h_data
Increments the job context variable "a"
Removes the job context variable "b"
Removes the job context variable "c"
Adds a job context variable d=5