- add new param (moderatorOnlyMessage) on CREATE API
Merge branch 'add-mod-only-welcom-message'
 - minor reorg
 - minor reorg
 - provide a way to support pre-built config.xml
 - add support for pre-built config xml
Merge branch 'merging-html5-with-master' of https://github.com/antobinary/bigbluebutton
Merge branch 'master' of https://github.com/bigbluebutton/bigbluebutton
fix typo