Add "unit pricing measure" field to Google products (#31)
Add "unit pricing base measure" field to Google products (#32)
Add "promotion id" field to Google Products (#33)
Remove the "online_only" field from Google products (#34)
Remove the "adwords_grouping" field from Google products (#35)
Remove the "adwords_labels" field from Google products (#36)
For the removed fields, we've deleted all rules that were referencing them. The new fields are unmapped by default and will only be populated by rules.
