corrected issues related to publishing and methods

bigbluebutton-html5/imports/api/common/server/helpers.js

bigbluebutton-html5/imports/api/polls/server/publishers.js

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

...ton-html5/imports/api/users/server/methods/userLeaving.js

bigbluebutton-html5/imports/api/users/server/publishers.js

...luebutton-html5/imports/api/voice-users/server/methods.js

...tml5/imports/api/voice-users/server/methods/muteToggle.js

bigbluebutton-html5/imports/startup/server/index.js

.../imports/ui/components/audio/audio-controls/container.jsx

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

...tml5/imports/ui/components/poll/live-result/component.jsx