Xamarin.iOS + VSTS + OSX Build Agent

VSTS Configuration: https://blog.xamarin.com/continuous-integration-for-ios-apps-with-visual-studio-team-services/

OSX Build Agent: https://github.com/Microsoft/vsts-agent/blob/master/docs/start/startosx.md

VSTS Agent GitHub: https://github.com/Microsoft/vsts-agent

VSTS Tasks GitHub: https://github.com/Microsoft/vsts-tasks

MacInCloud iOS Build Configuration:

https://support.macincloud.com/support/solutions/articles/8000016614-getting-started-with-the-macincloud-vsts-previously-vso-build-agent-plan

https://support.macincloud.com/support/solutions/articles/8000043373-signing-and-provisioning-in-vsts-build-xamarin-ios-solution-step-with-macincloud-vsts-agent

Issues:

1. security:SecKeychainItemImport:MAC verification failed during PKCS12 import(wrongpassword?)

.p12文件密码强度可能不够 (Reference: http://doc.wex5.com/p12-password-problems/)