Webcams now start automagically for others when a person shares

...-client/src/org/bigbluebutton/main/model/users/BBBUser.as

...gbluebutton/main/model/users/events/StreamStartedEvent.as

...g/bigbluebutton/modules/videoconf/maps/VideoEventMap.mxml

...gbluebutton/modules/videoconf/views/TiledVideoWindow.mxml

...g/bigbluebutton/modules/viewers/events/ViewCameraEvent.as

...gbluebutton/modules/viewers/views/StatusItemRenderer.mxml