Merge remote-tracking branch 'upstream/master' into long_string_cc

.../ui/components/actions-bar/actions-dropdown/component.jsx

...ml5/imports/ui/components/chat/message-form/component.jsx

...ml5/imports/ui/components/chat/message-list/component.jsx

...ponents/chat/message-list/message-list-item/component.jsx

...chat/message-list/message-list-item/message/component.jsx

...html5/imports/ui/components/closed-captions/component.jsx

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

...ebutton-html5/imports/ui/components/nav-bar/component.jsx

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

...utton-html5/imports/ui/components/user-list/component.jsx

...orts/ui/components/user-list/user-list-item/component.jsx

...mports/ui/components/whiteboard/shapes/poll/component.jsx

bigbluebutton-html5/package.json

bigbluebutton-html5/start.sh

...e/client/integration/templates/usersList/usersListSpec.js

...client/integration/templates/whiteboard/whiteboardSpec.js

bigbluebutton-html5/tests/jasmine/client/unit/globalsSpec.js

...-html5/tests/jasmine/server/unit/CollectionMethodsSpec.js

...luebutton-html5/tests/jasmine/server/unit/config-stubs.js

bigbluebutton-html5/tests/nightwatch/chatting.js