* Return an error seperately from Response
* Remove BuildErrorResponse
* Drop Response.Error from model/client4.go
* Migrate require.Nil checks
* Migrate require.NotNil checks
* More manual fixes
* Move error check out of CheckOKStatus and CheckCreatedStatus
* Move error check out of CheckForbiddenStatus
* Move error check out of CheckUnauthorizedStatus
* Move error check out of CheckNotFoundStatus
* Move error check out of CheckBadRequestStatus
* Move error check out of CheckNotImplementedStatus and CheckRequestEntityTooLargeStatus
* Move error check out of CheckInternalErrorStatus
* Move error check out of CheckServiceUnavailableStatus
* Remove error check from checkHTTPStatus
* Remove remaining references to Response.Error
* Check previously unchecked errors
* Manually fix compile and linter errors
* Return error in CreateWebSocket methods
* Return error instead of *AppError in DoApi methods
* Manually fix bad replacments
* Conistently return Response and error
* Use err instead of seperate bool return value to indicate success
* Reduce ussage of model.AppError in web/oauth_test.go
* Remove client4.Must
* Check error in buf.ReadFrom
* Fix failing tests
Support for handling username collisions between remote clusters. Users belonging to remote clusters have their username changed to include the remote name e.g. wiggin becomes wiggin:mattermost.
@mentions are also modified so the munged username is replaced with the original username when the post is sync'd with the remote the user belongs to.
When adding remote users:
- append the remote name to the username with colon separator
- append the remote name to the email address with colon separator
- store the original username and email address in user props
- when resolving @mentions replace with the stored original username
Remote Cluster Service
- provides ability for multiple Mattermost cluster instances to create a trusted connection with each other and exchange messages
- trusted connections are managed via slash commands (for now)
- facilitates features requiring inter-cluster communication, such as Shared Channels
Shared Channels Service
- provides ability to shared channels between one or more Mattermost cluster instances (using trusted connection)
- sharing/unsharing of channels is managed via slash commands (for now)
