- start layout module first

bigbluebutton-client/resources/prod/layout.xml

...ient/src/org/bigbluebutton/main/events/ModuleLoadEvent.as

.../src/org/bigbluebutton/main/maps/ApplicationEventMap.mxml

...src/org/bigbluebutton/main/model/modules/ModuleManager.as

.../src/org/bigbluebutton/main/model/modules/ModulesProxy.as

...ent/src/org/bigbluebutton/modules/chat/views/ChatBox.mxml

...rg/bigbluebutton/modules/layout/managers/LayoutManager.as

...rc/org/bigbluebutton/modules/layout/model/WindowLayout.as

...tton/modules/layout/services/LayoutSharedObjectService.as

...igbluebutton/modules/listeners/views/ListenersWindow.mxml

.../org/bigbluebutton/modules/videodock/views/VideoDock.mxml

...rg/bigbluebutton/modules/viewers/views/ViewersWindow.mxml