Added declination_shift to reading model
Added reviewed to observation model
Added reviewed to ObservationDetail model
Updated calls to Reading to include a declination_shift and calls to Observation to include reviewed
Updated call from ObservatoryFactory to Observation to include reviewed
Added declination_shift to defaults
Added reviewed to defaults for Observation.js
Added missing reviewed value to table in ObservationFactory
Added values for reviewed and delcination_shift to ObservationFactory test