Rough investigation: Open-source solver time and memory penalties

[Antti-L]

@Gary : Good to hear from you here as well!
> FYI, I've been in contact with IBM. Not so easy to find the right people but still trying. Goal is to see if they'd consider a special consideration for TIMES if ETSAP was to port TIMES to Julia.

Thanks for your efforts on that front. Hope to hear any news about it at the ExCo.