Merge pull request #6597 from RocketChat/improvements/real-names-in-memory

client/notifications/UsersNameChanged.js

packages/rocketchat-lib/client/methods/sendMessage.coffee

packages/rocketchat-lib/server/functions/addUserToRoom.js

packages/rocketchat-lib/server/functions/sendMessage.coffee

packages/rocketchat-lib/server/functions/setRealName.js

packages/rocketchat-lib/server/methods/getChannelHistory.js

packages/rocketchat-lib/server/methods/setRealName.js

packages/rocketchat-lib/server/models/Messages.coffee

packages/rocketchat-lib/server/models/Subscriptions.coffee

packages/rocketchat-lib/server/models/Users.coffee

packages/rocketchat-lib/server/models/_BaseCache.js

packages/rocketchat-lib/server/startup/cache/CacheLoad.js

server/methods/addRoomModerator.js

server/methods/addRoomOwner.js

server/methods/createDirectMessage.js

server/methods/loadHistory.js

server/methods/muteUserInRoom.js

server/methods/removeRoomModerator.js

server/methods/removeRoomOwner.js

server/methods/removeUserFromRoom.js