Thank you for taking the time to contribute to this project.
Changes to the MonoDevelop and Xamarin Studio specific parts of the project can be made directly to this repository. Changes to the core parts of the addin, which is anything in the ICSharpCode.PackageManagement namespace, should be contributed to the SharpDevelop repository and should contain unit tests.
The MonoDevelop NuGet addin is MIT licensed. By contributing to the project you agree to license your contributions by the same license.