Mods by Wesley.Wright@uvm.edu to facilitate integration of LTI module with https LMS deployments

This is a test of my git Kung Judo. bob-lti updates:
	modified:   application.properties
	modified:   grails-app/conf/lti.properties
	modified:   grails-app/controllers/org/bigbluebutton/ToolController.groovy
	modified:   grails-app/services/org/bigbluebutton/LtiService.groovy