Use the SDK to build itself

[rdeago]

Summary

Buildvana SDK should be used to build itself.

Advantages

• more credibility due to dogfooding
• no more need to keep the VERSION file and the <Version> tag in Buildvana.Sdk.csproj in sync manually
• less clutter in project-specific files
• ability to build more SDKs without duplicating build scripts

Disadvantages

• none that I can see