Replace use of List<T>.Zip() with simple for loop.
This restores compatibility with .NET 3.5 and should also increase performance.
Add missing System.XML assembly reference in ExampleLibrary project for .NET 3.5
Render point labels in StairStepSeries.
Merge with fix-net35
Merge with stairstep-labels
Correct spelling errors and comments
And example: StairStepSeries with labels
Merge
PieSeries: add example and fix some issues
Update contributors list
Examples: add superellipse examples
Merge
Clean up ScatteWithErrorBar code
Rename ScatterWithErrorBarSeries to ScatterErrorSeries
(make consistent: ScatterPoint/ScatterSeries, ScatterErrorPoint/ScatterErrorSeries)
Update project files
Add generic ScatterSeries base class
ScatterErrorSeries properties: remove AlwaysShowErrorBars, add MinimumErrorSize
ScatterErrorSeries: add support for X errors
ScatterErrorSeries: create examples using ItemsSource
ScatterErrorSeries.MinimumErrorSize: change default value to 0
Wpf.ScatterSeries: add test comparing default values