Fixed HTML5 video API import

bigbluebutton-client/resources/prod/BigBlueButton.html

bigbluebutton-client/resources/prod/lib/kurento-extension.js

...on-html5/imports/api/screenshare/client/bridge/kurento.js

...luebutton-html5/imports/api/video/server/eventHandlers.js

...mports/api/video/server/handlers/userSharedHtml5Webcam.js

...orts/api/video/server/handlers/userUnsharedHtml5Webcam.js

...html5/imports/api/video/server/methods/userShareWebcam.js

...ml5/imports/api/video/server/methods/userUnshareWebcam.js

...-html5/imports/api/video/server/modifiers/sharedWebcam.js

...tml5/imports/api/video/server/modifiers/unsharedWebcam.js

...tton-html5/imports/ui/components/video-dock/component.jsx

bigbluebutton-html5/public/js/adjust-videos.js

bigbluebutton-html5/server/main.js