Merge pull request #3178 from JaeeunCho/logOut

...tton-html5/imports/api/users/server/methods/userLogout.js

bigbluebutton-html5/imports/ui/components/app/service.js

...5/imports/ui/components/modals/settings/SettingsModal.jsx

...ts/ui/components/modals/settings/submenus/SessionMenu.jsx

...ebutton-html5/imports/ui/components/nav-bar/component.jsx

...ebutton-html5/imports/ui/components/nav-bar/container.jsx

.../imports/ui/components/nav-bar/recordbutton/component.jsx

...luebutton-html5/imports/ui/components/nav-bar/styles.scss

bigbluebutton-html5/imports/ui/services/auth/index.js