Added option to select exchange order type from return process
Added Tax & Payment Transaction Reports, plus renamed the sales &
promotion reports
Added additional columns to the OrderItemReport
Added type
Merge branch 'develop' into develop-reporting
Fixes issue with first skuCode added to a new subscription product. 
Also makes adding subscriptionSkus more flexible.
Updated Version 3.1.12.009
Merge branch 'develop' into develop-reporting
Added some reporting updates to the payment transaction report.
Updated Version 3.1.12.010
Merge remote-tracking branch 'dzikakis/Issue-1882' into develop
Updated Version 3.1.12.011