Merge branch 'master' into merge-master-into-dynamic-config

.gitignore

bbb-lti/README.rst

bbb-lti/application.properties

bbb-lti/grails-app/conf/Config.groovy

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

bbb-lti/grails-app/controllers/ToolController.groovy

bbb-lti/grails-app/i18n/messages.properties

bbb-lti/grails-app/i18n/messages_es.properties

bbb-lti/grails-app/i18n/messages_fr.properties

bbb-lti/grails-app/services/BigbluebuttonService.groovy

bbb-lti/grails-app/services/LtiService.groovy

bbb-lti/grails-app/views/error.gsp

bbb-lti/grails-app/views/index.gsp

bbb-lti/grails-app/views/layouts/internal.gsp

bbb-lti/grails-app/views/layouts/main.gsp

bbb-lti/grails-app/views/tool/error.gsp

bbb-lti/grails-app/views/tool/index.gsp

bbb-lti/grails-app/views/tool/index_bbb.gsp

bbb-lti/grails-app/views/tool/index_bootstrap.gsp

bbb-lti/src/java/org/bigbluebutton/api/Proxy.java