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

Prep for beta902 release

Merge branch 'tillig-rtm-project-update'

Update package summaries

Rename SwaggerUi project to Swashbuckle (for Nuget)

Upgrade AspNet to beta7

Target AspNet beta6