AppVeyor: Add SSH information
AppVeyor: Add SSH information

Only a temporary change, to enable snooping around in the VM and hopefully figure out why the MRtrix3 configure script can't find Eigen.

MRtrix3/mrtrix3,MRtrix3/mrtrix3,MRtrix3/mrtrix3,MRtrix3/mrtrix3,MRtrix3/mrtrix3,MRtrix3/mrtrix3