Improvements and Bugfixes
- removed the egStandardValueIndicatorStroke and egStandardValueColor attributes and created an extra StandardValue class, which contains all these information. Doing this enabled the support for multiple StandardValues
- fixed issue #23
- fixed bug in ValueLineChart when inserting an empty series, the previous indicator is still shown even when there is no data available.
- fixed bug in PieChart when an InnerPadding is activated, the animated inner circle sometimes is a little smaller than the PieChart which led to colored edges.
- tweaked the legend generation algorithm
- added Comparable interface for BarModel, PieModel, ValueLinePoint