juju/charm — pull request #36 by rogpeppe (2014-08-06 10:42:19+00:00)
Title: charm: do not verify bundles on read

We have the BundleData.Verify method for that.
Clients can then decide for themselves whether to
verify the bundle data with charms or not.

This is a breaking change, so we make a new charm API version, v4.