Made it clearer that create_topographica_script.py does not install anything into the Python environment.
Made it clearer that create_topographica_script.py does not install anything into the Python environment.

ioam/topographica,mjabri/topographica,Tasignotas/topographica_mirror,mjabri/topographica,ioam/topographica,Tasignotas/topographica_mirror,mjabri/topographica,ioam/topographica,Tasignotas/topographica_mirror,mjabri/topographica,ioam/topographica,Tasignotas/topographica_mirror,Tasignotas/topographica_mirror,ioam/topographica,mjabri/topographica