Sync from expiremental

lib/fileUpload.coffee

packages/meteor-accounts-saml/saml_rocketchat.coffee

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

packages/rocketchat-cas/cas_rocketchat.js

packages/rocketchat-github-enterprise/common.coffee

packages/rocketchat-gitlab/common.coffee

packages/rocketchat-lib/client/Notifications.coffee

packages/rocketchat-lib/lib/callbacks.coffee

packages/rocketchat-lib/lib/settings.coffee

packages/rocketchat-lib/package.js

...ages/rocketchat-lib/server/functions/Notifications.coffee

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

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

.../rocketchat-lib/server/startup/oAuthServicesUpdate.coffee

packages/rocketchat-lib/server/startup/statsTracker.js

packages/rocketchat-lib/startup/defaultRoomTypes.coffee

packages/rocketchat-livechat/server/models/Rooms.js