Initial commit - get memory stats for PIDs
Removed ARGS except ppid; searches for child processes
Updated find-failed-jobs.rb script with help-display and added line
to display number of failed jobs.
Added verbose option - controls whether to display number of failed jobs
and input options etc.
Updated script to display job name, memory and run-time values
 * Modified regex to get h_vmem containing floating point (e.g. 2.2G) values
   Previous version was matching only alpha-numeric characters and not decimal point.
 * Rewrote script to get memory stats of a process and it's children processes.