Merge pull request #6967 from capilkey/recording-button-style

...utton-html5/imports/api/users/server/modifiers/addUser.js

...uebutton-html5/imports/ui/components/button/component.jsx

...s/ui/components/nav-bar/recording-indicator/component.jsx

...rts/ui/components/nav-bar/recording-indicator/styles.scss

...ebutton-html5/imports/ui/components/tooltip/component.jsx

...n-html5/imports/ui/components/waiting-users/component.jsx

bigbluebutton-html5/private/locales/en.json