Added long-range excitatory connectivity to SCAL submodel
Added long-range excitatory connectivity to SCAL submodel

mjabri/topographica,mjabri/topographica,mjabri/topographica,ioam/topographica,ioam/topographica,mjabri/topographica,ioam/topographica,mjabri/topographica,ioam/topographica,ioam/topographica