new version of platform-client
userId to get notes, no longer need teamId
work so far - not yet functional
Remove userId state in api service

Use `tidepool.getUserId()` when needed to construct api calls.
Complete migration to platform-client for api

- Migrate all device data calls and processing out of this codebase, and
  use platform-client
- Complete change from `teamId` to get notes to `userId`
Sort messages in thread ascending
User new message user model to display name
Update mock data to new model
Merge pull request #56 from tidepool-org/jhbate/no-group-id

Complete migration to platform-client for API calls