Refactor additional oauth config for consistency

Ensure dotnet-swagger is built before CliExample

Merge pull request domaindrivendev#534 from domaindrivendev/required-…

…params

Improved handling for optional/required parameters

Upgrade test dependencies to prevent build warnings

Merge pull request domaindrivendev#307 from domaindrivendev/improve-s…

…wagger-serialization

Use app serialization for 'example' and 'default' fields

Update docs with AddMvcCore workaround

Further build script tweaks