FIxed Issue #298: change ctrl.network() to ctrl.networks() in one spot.  Did a 'search all' of the code and found no infractions.
FIxed Issue #298: change ctrl.network() to ctrl.networks() in one spot.  Did a 'search all' of the code and found no infractions.

TomTranter/OpenPNM,PMEAL/OpenPNM,stadelmanma/OpenPNM,amdouglas/OpenPNM,amdouglas/OpenPNM