Add name to metadata, and update dependency to "vt-gpg".

Preparing for publish to community site.
Rename to x509, and enable testing in this repo.
Update README.md for x509 name change.
Explicitly set attributes for localca
Configure SSL for Chef API access.

Propagate SSL configuration from knife.rb to Spice setup, allowing use of
https Chef API endpoints.
Test with Chef 11.4.0.
Version bump - 1.0.5
Bump metadata for cookbook release.