* MM-10183: Adds channel scheme API endpoint.
MM-10182: Adds team scheme API endpoint.
MM-10182_3: Switch from scheme_id in path to body.
* MM-10182/MM-10183: Changes path from 'schemes' to 'scheme'.
* MM-10182: Fix merge error.
* Implementing structured logging
* Changes to en.json to allow refactor to run.
* Fixing global logger
* Structured logger initalization.
* Add caller.
* Do some log redirection.
* Auto refactor
* Cleaning up l4g reference and removing dependancy.
* Removing junk.
* Copyright headers.
* Fixing tests
* Revert "Changes to en.json to allow refactor to run."
This reverts commit fd8249e99bcad0231e6ea65cd77c32aae9a54026.
* Fixing some auto refactor strangeness and typo.
* Making keys more human readable.
* XYZ-13: Update Permission and Role structs to new design.
* XYZ-10: Role store.
* XYZ-9/XYZ-44: Roles API endpoints and WebSocket message.
* XYZ-8: Switch server permissions checks to store backed roles.
* XYZ-58: Proper validation of roles where required.
* XYZ-11/XYZ-55: Migration to store backed roles from policy config.
* XYZ-37: Update unit tests to work with database roles.
* XYZ-56: Remove the "guest" role.
* Changes to SetDefaultRolesFromConfig.
* Short-circuit the store if nothing has changed.
* Address first round of review comments.
* Address second round of review comments.
* image proxy support
* go vet fix, remove mistakenly added coverage file
* fix test compile error
* add validation to config settings and documentation to model functions
* add message_source field to post
* add post' root ID to apiv4 addChannelMember to render added user (as system post) at RHS
* add check to post_root_id parameter
* add AddChannelMemberWithRootId function for backward compatibility
* Return viewed at times in view channel API response
* Updated transaction to read and write once
* Remove transaction and only update if new value greater than older
* PLT-7206: UI changes. Removed last user in channel loophole, refactored code to clean it up, added differentiated support for public and private channels, added unit tests. Still need to implement server-side checks
* PLT-7206: All helper methods in channel_utils.jsx now accept the same three boolean variables in the same order and use the same boolean logic to check their values.
* PLT-7206: Added unit tests for showManagementOptions(...)
* PLT-7206: Fixed test case descriptions
* Added unit tests for showCreateOption(...)
* PLT-7206: Added unit tests for canManageMembers(...)
* PLT-7206: Removed last person in channel loophole from server-side code
* PLT-7206: Reverted config.json
* PLT-7206: Fixed double negatives in unit test names
* PLT-7206: PR feedback - Removed confusing comment and unused variable
* channel delete option is hidden from the menu unless there is appropriate permissions as set in the policy page
* apply to public channel only and add restriction to API layer
* updated channel deletion
* Revert "PLT-5765 Passed SiteURL to SendNotifications (#5705)"
This reverts commit a8e68bd890.
* Removed automatic configuration of SiteURL
* Reverted unintentional config changes
* Updated help text
* Added link to docs in Site URL warning
* Fixed merge conflict
* Add v4 endpoint for getting the channels on a team for a user
* Implement PUT /channels/{channel_id}/patch endpoint for APIv4
* Implement POST /teams/{team_id}/channels/search endpoint for APIv4
* Update permission check
