Fixing the mean_probe_position element in store
Fixing the mean_probe_position element in store

This fix returns the center of mass in the "y" dimension.

rossant/phy,nsteinme/phy,rossant/phy,kwikteam/phy,rossant/phy,nippoo/phy,nippoo/phy,kwikteam/phy,kwikteam/phy,nsteinme/phy