Add traits for common Host integration tasks

[foundrytom]

What

Convert this to YAML

ACs

• Descriptions with critical clarifications of data definitions as required
• All proposed/modify rows added to Traits.yml
• Python import tests for all Traits and Specifications
• C++ import test for a single Specification

[feltech]

Could we sneak in the change from location -> url as part of this?

[foundrytom]

Could we sneak in the change from location -> url as part of this?

I don't think so, untill we have a versioning mechanism, as this would break every single (useful) integration to date.