Add support to Safari 11 on Kurento utils; WS message queue; Remove bower components

bigbluebutton-html5/client/main.html

...ton-html5/imports/ui/components/screenshare/component.jsx

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

bigbluebutton-html5/public/js/bower.json

...n-html5/public/js/bower_components/adapter.js/.bower.json

...on-html5/public/js/bower_components/adapter.js/.gitignore

...utton-html5/public/js/bower_components/adapter.js/.jscsrc

...ton-html5/public/js/bower_components/adapter.js/.jshintrc

...n-html5/public/js/bower_components/adapter.js/.travis.yml

...ml5/public/js/bower_components/adapter.js/CONTRIBUTING.md

...-html5/public/js/bower_components/adapter.js/Gruntfile.js

...on-html5/public/js/bower_components/adapter.js/LICENSE.md

...public/js/bower_components/adapter.js/README-w3c-tests.md

...ton-html5/public/js/bower_components/adapter.js/README.md

...on-html5/public/js/bower_components/adapter.js/adapter.js

...on-html5/public/js/bower_components/adapter.js/bower.json

...-html5/public/js/bower_components/adapter.js/package.json

...on-html5/public/js/bower_components/bootstrap/.bower.json

...n-html5/public/js/bower_components/bootstrap/CHANGELOG.md

...n-html5/public/js/bower_components/bootstrap/Gruntfile.js