Links to AS 2.0 draft, mild refactoring of 1.0 spec links...
The home page was updated, but the specs page wasn't.
Looks like at some point we moved the registry tools into a subdir of the registry repo itself, but didn't remove or update the original repo. This is a re-run of the same data in the previous commit, but with the latest tools version.
…rence the JSON Activity Streams spec