This fixes #160 by making sure that nodes will sign *any* lockup they see using their guardian key, and storing the gs in the aggregation state when we see a lockup.
We observe things other than lockups, account for it.
ghstack-source-id: e3b8aee5a0 Pull Request resolved: https://github.com/certusone/wormhole/pull/102
e3b8aee5a0