Anttikajanus/toolkitsamples

Resolves:
https://github.com/Esri/arcgis-toolkit-dotnet/issues/76
https://github.com/Esri/arcgis-toolkit-dotnet/issues/74
https://github.com/Esri/arcgis-toolkit-dotnet/issues/73
https://github.com/Esri/arcgis-toolkit-dotnet/issues/72
https://github.com/Esri/arcgis-toolkit-dotnet/issues/70
https://github.com/Esri/arcgis-toolkit-dotnet/issues/69