Add Agustin Lobo to PSC

I would like to nominate Agus Lobo to join the PSC (as discussed in the forum here). Agus is a long time active member of the OTB community and has participated in User Days. He will be a welcome addition and can continue to provide useful feedback and directions.

Vote here is required from other PSC members.

added patch label

added documentation label

merged

mentioned in commit 6a977ba7

changed milestone to %7.0.0