* Cherry-picking 7b2861de3a to master because enterprise/master has code in it that enterprise/release-4.7 does not, and I don't want enterprise/master to break the next time somebody merges enterprise/release-4.7 to enterprise/master
* Renamed file to match existing scheme
(cherry picked from commit 8c22c5c6c6)
* AllowEditPost and PostEditTimeLimit migration
* Not set EDIT_POST permission to sysadmin_role if ALLOW_EDIT_POST is configured to NEVER
* Remove a bit of code duplication
* [PTL-7537] implement feature and test
* [PTL-7537] Update feature to post the the room requiring a username flag to be used
* [PTL-7537] update tests with username
* update test to remove changes to the test helper struct
* use the basic team and user
* Added username to ChannelMemberHistory struct in anticipation of supporting GlobalRelay in Compliance Export
* Removed translation from debug output - this makes it complicated to use utils functions from tests in the enterprise repo
* Added an advanced email function that allows for greater control over message details. Updated MessageExport config to support GlobalRelay. Added attachment support to InBucket unit tests
* Moving templates in from enterprise to solve test issues
* Added export format to diagnostics
* Changed email attachment code to use FileBackend so that S3 storage is properly supported
* 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.
* XYZ-32: Changes type of 'position' column on 'users' table.
* XYZ-32: Uncomment to run on CI and pre-release.
* XYZ-32: Reverts translation changes.
* XYZ-32: Fix for gofmt.
* 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
