Made default target a no-op to discourage casual users.  Removed now-unneeded all-speed-tests and slow-tests
Made default target a no-op to discourage casual users.  Removed now-unneeded all-speed-tests and slow-tests

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