Simplified CoordinatedPatternGenerator removing old code and comments
Simplified CoordinatedPatternGenerator removing old code and comments

CoordinatedPatternGenerator no longer supports the retinotopy and retx
features and no longer deals with ensuring that all sheets are assigned
a pattern, which has been moved into the pattern_response command.

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