* Remove BOM * Add EOL at end of file.
Largely related to somewhat recent frameworks/API additions to XM ExternalAccessory was added to macOS 10.13 (Xcode9) and can't be run before that (including on the jenkins sierra bots). Also enable that test on tvOS (which added support in Xcode8)
* Port the Monotouch-test suite to run on Xamarin.Mac Adds over 1300 new API tests for XM