Modify the command to accept the parameters needed for cluster environment support
Adding cluster utils
Adding PBS submission support to the bench suite
Modify optparse interface to accept the new parameters for PBS support
Fixing file name typo
Fixing tests
Making the prefix of each command unique
Add job id tracking on the shell script
Support multiple bash variables for keeping track of job_id and create test for the new functionality
Modifying BenchResultsProcesser command to accept a list of job ids to wait for before processing the resutls
Modifying interface to accept the new parameter
Fixing typo
Adding wait_on functionality
adding tests for the commands
Fixes issue #18
Fixing typo
Fixing subprocess communication
Fixing typo
Fixing cluster utils
Fixing cluster utils