introduced comments for mappings and some numpad mappings
introduced comments for mappings and some numpad mappings

zecke/old-pharo-vm-sctp,zecke/old-pharo-vm-sctp,guillep/OzVM,zecke/old-pharo-vm-sctp,zecke/old-pharo-vm-sctp,guillep/OzVM,guillep/OzVM,guillep/OzVM,guillep/OzVM,zecke/old-pharo-vm-sctp,guillep/OzVM,guillep/OzVM,zecke/old-pharo-vm-sctp,zecke/old-pharo-vm-sctp,guillep/OzVM,zecke/old-pharo-vm-sctp,guillep/OzVM