- redirect properly to logout url when logout window is not shown

bigbluebutton-client/.actionScriptProperties

bigbluebutton-client/html-template/index.template.html

bigbluebutton-client/resources/config.xml.template

bigbluebutton-client/src/BigBlueButton.mxml

...ient/src/org/bigbluebutton/main/model/ConfigParameters.as

...rc/org/bigbluebutton/main/views/MainApplicationShell.mxml