Change breakout code

...5/imports/api/breakouts/server/handlers/breakoutClosed.js

.../imports/api/breakouts/server/handlers/breakoutJoinURL.js

.../imports/api/breakouts/server/handlers/breakoutStarted.js

...5/imports/api/breakouts/server/handlers/createBreakout.js

...orts/api/breakouts/server/handlers/updateTimeRemaining.js

...ml5/imports/api/breakouts/server/modifiers/addBreakout.js

.../imports/api/breakouts/server/modifiers/clearBreakouts.js

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

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

bigbluebutton-html5/imports/ui/components/nav-bar/service.js

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

...ml5/imports/ui/components/notifications-bar/container.jsx

bigbluebutton-html5/imports/utils/humanizeSeconds.js