Updated NuGet Packages 12.3.10

I added Two radial buttons and the dashed linestyle to creating styles Line style.

Updated all the nugets for both Winforms and Wpf.

Removed the screen capture from extensibility samples.

# Conflicts:
#	samples/winforms/HowDoISample/samples.json
#	samples/wpf/HowDoISample/Samples/CreatingStyles/CreateRegexStyleSample.xaml.cs
#	samples/wpf/HowDoISample/Samples/ProjectingData/WorldProjectionsSample.xaml.cs
#	samples/wpf/HowDoISample/samples.json

Added description to the Dot density and regex samples.

Added Extensibility samples,  Dot density and Regex Style samples.
We still need to update the descriptions.

remove unused samples from samples json

updated samples json descriptions, fixed several samples to run and look better for winforms

updated samples json descriptions, fixed several samples to run and look better

Added World Projections sample and Draw GPS and a Performance sample.

Update FrameWork

Finished extensibility And creating style Samples Dot density and Regex.

I Added the sample templates to WinForms.

I Added These sample Templates CustomeStyle, DotDensity, RegexStyle, Magneticnorth, Compass Adornment ,and Simple BackgroundOverlay for WPF.

# Conflicts:
#	samples/wpf/HowDoISample/HowDoI.csproj

thinkgeo/products/thinkgeosdk#92 Update GoogleLayers sample to populate Google Maps Api Key Sign up page when user click Sign Up link

Finish v12.3.2

See merge request !2

Finish v12.3.1

Add mapbox statictile sample

Finish 12.2.8

Added screenshots and README for Winforms HowDoI Sample