Updated examine serialization extensions to map some missing properties, paymentgatewaymethodbase revisions
Merge remote-tracking branch 'merchello/1.4.0' into 1.4.0
Set Merchello dev version to 1.3.22
Merge pull request #849 from rustyswayne/1.4.0

Examine serialization patches
Updated app.config in tests
Updated UmbracoCms.Core dependencies to 7.1.6
Merge pull request #850 from rustyswayne/1.4.0

Updated UmbracoCms.Core dependencies to 7.1.6
Merge remote-tracking branch 'merchello/1.4.0' into 1.4.0