[CDF-278] - CCC - a BarChart with ValuesVisible, ValuesOverflow: hide and Animate does not show the labels
* Update protovis, that has a fix for animation not incrementing the render id counter.
Merge pull request #87 from dcleao/CDF-278

[CDF-278] - CCC - a BarChart with ValuesVisible, ValuesOverflow: hide and Animate does not show the labels