Make the "solve" tool quiet by default
Make the "solve" tool quiet by default

i.e. Don't dump data to stdout unless the "--verbose" option is given.

OCM-Lab-PUC/switch-chile,bmaluenda/SWITCH-Pyomo-Chile,OCM-Lab-PUC/switch-chile,bmaluenda/SWITCH-Pyomo-Chile,bmaluenda/switch