* changes:
Migrate external IDs to NoteDb (part 1)
gerrit-server: use hashed passwords for HTTP.
AccountByEmailCacheImpl: Consider emails from all external IDs on load
* submodules:
* Update plugins/cookbook-plugin from branch 'master'
- Merge "Remove for HTTP digest auth from examples."
- Remove for HTTP digest auth from examples.
Change-Id: I495ee8140cbe2ae12510a4d4cbc2c8360b135b33