[FIX](CCC Root Sign) Added a single scene data array to the root mark; when hoverable was false, there was no scene defined on the root panel's sign - this was the only case in which a sign was rendering without a scene; this fact was causing the _inContext method to run with an undefined scene argument, which ended up causing the property '_renderId' being set in the JS  global object.
[FIX](CCC protovis data prop delegation) Like all other protovis properties, the data property now also supports delegation.
[FEAT](Dashboards.bindControl) The control.type implementation is now only applied to a control if it is not already an instance of that type. This allows that Dashboards.addComponent or, directly, Dashboards.bindControl, can be called even in cases where a control was created (dynamically) directly as new _ControlType_().
[FEAT](Dashboards) Added new methods to allow scenarios where dynamically generated components must be maintained: _Dashboards.addComponent_ (which allows specifying the insertion index as well), _Dashboards.removeComponent_ and _Dashboards.getComponentIndex_