Sim_telarray executable command ill-formed

Summary

Executable path for sim_telarray is malformed: currently it is implemented as <software_install_path>/<stage> which renders in e.g. /opt/sim_telarray while it should be instead /opt/sim_telarray/bin/sim_telarray

Steps to reproduce

run with the mentioned above configuration parameters

What is the expected correct behavior?

the correct executable should be picked up

Relevant logs and/or screenshots

Traceback (most recent call last):
  File "/work/venv-python3/bin/sim_runner", line 4, in <module>
    main()
  File "/work/venv-python3/lib64/python3.6/site-packages/sim_runner/scripts/sim_runner.py", line 339, in main
    submit_jobs(config, commands)
  File "/work/venv-python3/lib64/python3.6/site-packages/sim_runner/scripts/sim_runner.py", line 261, in submit_jobs
    subprocess.Popen(split_command)
  File "/opt/rh/rh-python36/root/usr/lib64/python3.6/subprocess.py", line 709, in __init__
    restore_signals, start_new_session)
  File "/opt/rh/rh-python36/root/usr/lib64/python3.6/subprocess.py", line 1344, in _execute_child
    raise child_exception_type(errno_num, err_msg, err_filename)
PermissionError: [Errno 13] Permission denied: '/opt//sim_telarray'

Environment

• Version used: head of master
• Operation System: slc6

as a temporary fix, one can change the software_installation_path accordingly, but this will require more manual input from the user. Need to think carefully how to accomplish this in a more graceful way