Merge branch 'master' into issue7325-autoswaplayout-screenshare

...n/presentation/imp/ImageToSwfSlidesGenerationService.java

...ton/presentation/imp/PdfToSwfSlidesGenerationService.java

...rg/bigbluebutton/presentation/imp/SvgImageCreatorImp.java

bbb-lti/.gitignore

bbb-lti/application.properties

bbb-lti/build.gradle

bbb-lti/gradle.properties

bbb-lti/gradle/wrapper/gradle-wrapper.jar

bbb-lti/gradle/wrapper/gradle-wrapper.properties

bbb-lti/gradlew

bbb-lti/gradlew.bat

bbb-lti/grails-app/assets/images/advancedgrails.svg

bbb-lti/grails-app/assets/images/documentation.svg

...i/grails-app/assets/images/grails-cupsonly-logo-white.svg

bbb-lti/grails-app/assets/images/grails.svg

bbb-lti/grails-app/assets/images/slack.svg

bbb-lti/grails-app/assets/javascripts/application.js

bbb-lti/grails-app/assets/javascripts/bootstrap.bundle.js

...lti/grails-app/assets/javascripts/bootstrap.bundle.js.map

...lti/grails-app/assets/javascripts/bootstrap.bundle.min.js