Add TimeSeriesChart

[dizzzz]

it does support the XYdataseries... probably easy to add

http://www.jfree.org/jfreechart/api/javadoc/org/jfree/chart/ChartFactory.html#createTimeSeriesChart-java.lang.String-java.lang.String-java.lang.String-org.jfree.data.xy.XYDataset-boolean-boolean-boolean-