* Second attept at patching api/websocket.go for CORS support.
* Missing include
* Fixed whitespace formatting so that gofmt passes.
* Added tests for CORS filtering
* Add app package and move logic over from api package
* Change app package functions to return errors
* Move non-api tests into app package
* Fix merge
* Switch websocket over to post-connect authentication
* Add ability to specify token in websocket js driver, add unit tests
* Temporarily disable client websocket tests until issues are resolved
* Minor refactoring and fix status test
* Add isAuthenticated method to WebConn and minor status updates
* improve performance on sendNotifications
* Fix SQL queries
* Remove get direct profiles, not needed anymore
* Add raw data to error details if AppError fails to decode
* men
* Fix decode (#4052)
* Fixing json decode
* Adding unit test
* Initial work for client scaling (#4051)
* Begin adding paging to profiles API
* Added more paging functionality
* Finish hooking up admin console user lists
* Add API for searching users and add searching to all user lists
* Add lazy loading of profiles
* Revert config.json
* Fix unit tests and some style issues
* Add GetProfilesFromList to Go driver and fix web unit test
* Update etag for GetProfiles
* Updating ui for filters and pagination (#4044)
* Updating UI for pagination
* Adjusting margins for filter row
* Adjusting margin for specific modals
* Adding relative padding to system console
* Adjusting responsive view
* Update client user tests
* Minor fixes for direct messages modal (#4056)
* Remove some unneeded initial load calls (#4057)
* UX updates to user lists, added smart counts and bug fixes (#4059)
* Improved getExplicitMentions and unit tests (#4064)
* Refactor getting posts to lazy load profiles correctly (#4062)
* Comment out SetActiveChannel test (#4066)
* Profiler cpu, block, and memory profiler. (#4081)
* Fix TestSetActiveChannel unit test (#4071)
* Fixing build failure caused by dependancies updating (#4076)
* Adding profiler
* Fix admin_team_member_dropdown eslint errors
* Bumping session cache size (#4077)
* Bumping session cache size
* Bumping status cache
* Refactor how the client handles channel members to be large team friendly (#4106)
* Refactor how the client handles channel members to be large team friendly
* Change Id to ChannelId in ChannelStats model
* Updated getChannelMember and getProfilesByIds routes to match proposal
* Performance improvements (#4100)
* Performance improvements
* Fixing re-connect issue
* Fixing error message
* Some other minor perf tweaks
* Some other minor perf tweaks
* Fixing config file
* Fixing buffer size
* Fixing web socket send message
* adding some error logging
* fix getMe to be user required
* Fix websocket event for new user
* Fixing shutting down
* Reverting web socket changes
* Fixing logging lvl
* Adding caching to GetMember
* Adding some logging
* Fixing caching
* Fixing caching invalidate
* Fixing direct message caching
* Fixing caching
* Fixing caching
* Remove GetDirectProfiles from initial load
* Adding logging and fixing websocket client
* Adding back caching from bad merge.
* Explicitly close go driver requests (#4162)
* Refactored how the client handles team members to be more large team friendly (#4159)
* Refactor getProfilesForDirectMessageList API into getAllProfiles API
* Refactored how the client handles team members to be more large team friendly
* Fix js error when receiving a notification
* Fix JS error caused by current user being overwritten with sanitized version (#4165)
* Adding error message to status failure (#4167)
* Fix a few bugs caused by client scaling refactoring (#4170)
* When there is no read replica, don't open a second set of connections to the master database (#4173)
* Adding connection tacking to stats (#4174)
* Reduce DB writes for statuses and other status related changes (#4175)
* Fix bug preventing opening of DM channels from more modal (#4181)
* Fixing socket timing error (#4183)
* Fixing ping/pong handler
* Fixing socket timing error
* Commenting out status broadcasting
* Removing user status changes
* Removing user status changes
* Removing user status changes
* Removing user status changes
* Adding DoPreComputeJson()
* Performance improvements (#4194)
* * Fix System Console Analytics queries
* Add db.SetConnMaxLifetime to 15 minutes
* Add "net/http/pprof" for profiling
* Add FreeOSMemory() to manually release memory on reload config
* Add flag to enable http profiler
* Fix memory leak (#4197)
* Fix memory leak
* removed unneeded nil assignment
* Fixing go routine leak (#4208)
* Merge fixes
* Merge fix
* Refactored statuses to be queried by the client rather than broadcast by the server (#4212)
* Refactored server code to reduce status broadcasts and to allow getting statuses by IDs
* Refactor client code to periodically fetch statuses
* Add store unit test for getting statuses by ids
* Fix status unit test
* Add getStatusesByIds REST API and move the client over to use that instead of the WebSocket
* Adding multiple threads to websocket hub (#4230)
* Adding multiple threads to websocket hub
* Fixing unit tests
* Fixing so websocket connections from the same user end up in the same… (#4240)
* Fixing so websocket connections from the same user end up in the same list
* Removing old comment
* Refactor user autocomplete to query the server (#4239)
* Add API for autocompleting users
* Converted at mention autocomplete to query server
* Converted user search autocomplete to query server
* Switch autocomplete API naming to use term instead of username
* Split autocomplete API into two, one for channels and for teams
* Fix copy/paste error
* Some final client scaling fixes (#4246)
* Add lazy loading of profiles to integration pages
* Add lazy loading of profiles to emoji page
* Fix JS error when receiving post in select team menu and also clean up channel store
