fix meter creation
fix meter creation

The new timezone for meters needed to be added as a null argument
to the meter creation.
Note that obviusConfig.js in testing has the same issue but it is not
working in other ways so it should be fixed later (if kept).

OpenEnergyDashboard/OED,OpenEnergyDashboard/OED,OpenEnergyDashboard/OED,OpenEnergyDashboard/OED