Samples for v10.2.4 Release

Samples for ArcGIS Runtime for .NET 10.2.4 release.

v10.2.3 beta 2

Merge pull request #16 from tsamaya/patch-1

short link with esriurl.com

v10.2.2 beta 1

Desktop: Modified Graphics Layers samples:

- Removed GraphicsLayerWindow sample
- Renamed CsvLayerSample, GeoRssLayerSample, GraphicsLayerSelection