changes to bridge and audio components. WIP

...uebutton-html5/imports/api/2.0/audio/client/bridge/sip.js

...ml5/imports/ui/components/audio/audio-modal/component.jsx

...ml5/imports/ui/components/audio/audio-modal/container.jsx

.../imports/ui/components/audio/audio-settings/component.jsx

...l5/imports/ui/components/audio/audio-settings/styles.scss

...tml5/imports/ui/components/audio/audio-test/component.jsx

...tml5/imports/ui/components/audio/audio-test/container.jsx

...luebutton-html5/imports/ui/components/audio/component.jsx

...luebutton-html5/imports/ui/components/audio/container.jsx

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

...uebutton-html5/imports/ui/services/audio-manager/index.js