bbb BigBlueButton Integration BigBlueButton integration for Nextcloud 2.1.0 agpl Klaus Herberth BigBlueButton social multimedia integration https://github.com/sualko/cloud_bbb/ https://github.com/sualko/cloud_bbb/issues https://github.com/sualko/cloud_bbb/ https://raw.githubusercontent.com/sualko/cloud_bbb/master/docs/screenshot-file-browser.png https://raw.githubusercontent.com/sualko/cloud_bbb/master/docs/screenshot-configuration.png https://raw.githubusercontent.com/sualko/cloud_bbb/master/docs/screenshot-configuration2.png https://raw.githubusercontent.com/sualko/cloud_bbb/master/docs/screenshot-join.png curl mbstring SimpleXML OCA\BigBlueButton\Settings\Admin OCA\BigBlueButton\Settings\Section OCA\BigBlueButton\Activity\Setting OCA\BigBlueButton\Activity\Provider