Finished porting the video server app to use base media library

...node-bbb-apps/lib/connection-manager/ConnectionManager.js

labs/node-bbb-apps/lib/mcs-core/CoreProcess.js

labs/node-bbb-apps/lib/mcs-core/lib/constants/Constants.js

labs/node-bbb-apps/lib/mcs-core/lib/media/MCSApiStub.js

labs/node-bbb-apps/lib/mcs-core/lib/media/MediaController.js

labs/node-bbb-apps/lib/mcs-core/lib/media/media-server.js

labs/node-bbb-apps/lib/mcs-core/lib/model/SdpSession.js

labs/node-bbb-apps/lib/mcs-core/lib/model/SfuUser.js

labs/node-bbb-apps/lib/mcs-core/lib/utils/SdpWrapper.js

labs/node-bbb-apps/lib/screenshare/ScreenshareManager.js

labs/node-bbb-apps/lib/video/video.js

labs/node-bbb-apps/package.json

labs/node-bbb-apps/server.js