+++++++++++++++++++++++++
* Update Bing Ads API Version 13 service proxies to reflect recent interface changes. For details please see the Bing Ads API Release Notes: https://docs.microsoft.com/en-us/bingads/guides/release-notes.
* Add bulk mappings for OnlineConversionAdjustment.
* Add bulk mappings for Adgroup Hotel Ads Criterions i.e., BulkAdGroupHotelAdvanceBookingWindowCriterion, BulkAdGroupHotelCheckInDateCriterion, BulkAdGroupHotelCheckInDayCriterion, BulkAdGroupHotelDateSelectionTypeCriterion and BulkAdGroupHotelLengthOfStayCriterion.
* Add bulk mappings for AdGroupHotelListingGroup.
* Add mappings for new fields in BulkAdgroup: UseOptimizedTargeting, HotelSetting, CommissionRate and PercentCpcBid.
* Support new bidding scheme: percentCpcBiddingScheme and commissionBiddingScheme.