Merge pull request #4729 from RocketChat/experimental

...etchat-authorization/server/functions/addUserRoles.coffee

...ocketchat-authorization/server/functions/canAccessRoom.js

...rocketchat-authorization/server/models/Permissions.coffee

...cketchat-authorization/server/publications/permissions.js

...es/rocketchat-channel-settings/server/models/Rooms.coffee

packages/rocketchat-lib/.npm/package/npm-shrinkwrap.json

packages/rocketchat-lib/client/TabBar.coffee

packages/rocketchat-lib/client/lib/cachedCollection.js

packages/rocketchat-lib/client/lib/openRoom.coffee

packages/rocketchat-lib/package.js

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

packages/rocketchat-lib/server/lib/notifyUsersOnMessage.js

...s/rocketchat-lib/server/lib/sendNotificationsOnMessage.js

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

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

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

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

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

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

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