meco_v3 public schema update

* added zero to null function for doubles
* added table AverageFifteenMinIrradianceData
* added table AverageFifteenMinKiheiSCADATemperatureHumidity
* added cols to EgaugeEnergyAutoload
* IrradianceData_copy table has been added.
* MeterLocationHistory has col changes.
* PVServicePointIDs has col changes.
* _IrradianceFifteenMinIntervals table added.
* cd_houses_with_pv_no_pv_meter view has been added.
* View changes
  - readings_by_meter_location_history
  - readings_after_uninstall
  - readings_before_install
  - dz_monthly_energy_summary_double_pv_meter
  - nonpv_service_point_ids
  - dz_monthly_energy_summary_single_pv_meter
  - nonpv_mlh
  - locations_with_pv_service_points_ids
  - nonpv_mlh_v2
  - monthly_energy_summary_houses_with_pv
  -  pv_service_points_specifications_view
  - readings_with_pv_service_point_id
* Views added.
  - dates_egauge_energy_autoload view
  - z_dz_avg_irradiance_uniform_fifteen_min_intervals_null_as_zero
  - dz_count_of_fifteen_min_irradiance_intervals
  - dz_avg_irradiance_uniform_fifteen_min_intervals_null_as_zero
  - dz_irradiance_fifteen_min_intervals_plus_one_year
  - dz_nonpv_addresses_service_points
  - meter_read_dates