Merge pull request #919 from rustyswayne/1.5.0

Patched ValidateDatabaseSetup in integration tests
Merge pull request #920 from rustyswayne/1.5.0

Braintree provider updates, patches some tests and sets test version to 1.4.10
Merge pull request #921 from rustyswayne/1.5.0

Adds extension method hack to reverse 7.1.7 patch following Umbraco's method
Fix bug with taxjar.com API call
Merge pull request #922 from alindgren/1.5.0

Fix bug with taxjar.com API call