Merge pull request #3600 from jfederico/bbb-lti-add_recording_on_by_default

bbb-lti/grails-app/conf/lti-config.properties

...s-app/controllers/org/bigbluebutton/ToolController.groovy

...pp/services/org/bigbluebutton/BigbluebuttonService.groovy

...i/grails-app/services/org/bigbluebutton/LtiService.groovy