Materials from 2019-05-23 combined DID Spec and DID Resolution Spec meeting

Recording and notes for the 2019-05-23 combined DID Spec and DID
Resolution Spec meeting are here:
https://github.com/w3c-ccg/meetings/tree/gh-pages/2019-05-23-did-spec-and-resolution

The meeting page is here:
https://docs.google.com/document/d/1qYBaXQMUoB86Alquu7WBtWOxsS8SMhp1fioYKEGCabE/

The following issues and PRs have been processed:

- PR#186 <https://github.com/w3c-ccg/did-spec/pull/186> - likely to be
merged soon, pending review by @jandrieu
- PR#180 <https://github.com/w3c-ccg/did-spec/pull/180> - has received
additional input from Amy and Drummond -> will be reviewed again on the
next call
- ISSUE#201 <https://github.com/w3c-ccg/did-spec/issues/201> and
ISSUE#56 <https://github.com/w3c-ccg/did-spec/issues/56> - Oliver
created new PR#202 <https://github.com/w3c-ccg/did-spec/pull/202> ->
will be reviewed on the next call

Thanks to Amy and Drummond for scribing!

Markus