- Add missing headRepo set to AzureDevops event parser
- Strip 'refs/heads' from branch values sent to models.PullRequest
- Fix calls to NewClient() to use org, not username
- Add notes about use of /'s in repo FullName
- Force use of 'dev.azure.com' for VCSHost.Hostname value
- NewAzureDevopsClient(): Rename 'account' to 'username' to match docs
- NewAzureDevopsClient(): Rename unused 'hostname' to 'org'