Added new logoutTImer feature.

.../main/java/org/bigbluebutton/api/ParamsProcessorUtil.java

...b/src/main/java/org/bigbluebutton/api/domain/Meeting.java

bigbluebutton-client/locale/en_US/bbbResources.properties

bigbluebutton-client/src/org/bigbluebutton/core/model/Me.as

...rc/org/bigbluebutton/main/model/users/EnterApiResponse.as

...ent/src/org/bigbluebutton/main/model/users/JoinService.as

...ent/src/org/bigbluebutton/main/model/users/UserService.as

...nt/src/org/bigbluebutton/main/views/IdleLogoutButton.mxml

...-client/src/org/bigbluebutton/main/views/MainToolbar.mxml

.../bigbluebutton/modules/present/managers/PresentManager.as

...utton/modules/whiteboard/views/WhiteboardTextToolbar.mxml

...luebutton/modules/whiteboard/views/WhiteboardToolbar.mxml

...rs/org/bigbluebutton/web/controllers/ApiController.groovy