Chore(readme): use https

README.md

@@ -11,13 +11,13 @@ NuGet | [![NuGet Package](https://img.shields.io/nuget/v/Caliburn.Micro.svg?logo
 Caliburn.Micro is a small, yet powerful framework, designed for building applications across all XAML platforms. With strong support for MVVM and other proven UI patterns, Caliburn.Micro will enable you to build your solution quickly, without the need to sacrifice code quality or testability.
 
 ## Packages are available on Nuget
-- [Caliburn.Micro.Core](http://www.nuget.org/packages/Caliburn.Micro.Core/) - The Portable Class Library (PCL) portion of Caliburn.Micro.
-- [Caliburn.Micro](http://www.nuget.org/packages/Caliburn.Micro/) - The platform-specific adapters for Caliburn.Micro.
-- [Caliburn.Micro.Start](http://www.nuget.org/packages/Caliburn.Micro.Start/) - Includes a starting bootstrapper, view model and view.
+- [Caliburn.Micro.Core](https://www.nuget.org/packages/Caliburn.Micro.Core/) - The Portable Class Library (PCL) portion of Caliburn.Micro.
+- [Caliburn.Micro](https://www.nuget.org/packages/Caliburn.Micro/) - The platform-specific adapters for Caliburn.Micro.
+- [Caliburn.Micro.Start](https://www.nuget.org/packages/Caliburn.Micro.Start/) - Includes a starting bootstrapper, view model and view.
 
 ## Questions
-- For non bug related questions see [Stack Overflow](http://stackoverflow.com/questions/tagged/caliburn.micro)
+- For non bug related questions see [Stack Overflow](https://stackoverflow.com/questions/tagged/caliburn.micro)
 
 ## Sponsoring
 
-The Caliburn.Micro team uses ReSharper by [JetBrains](http://www.jetbrains.com/).
+The Caliburn.Micro team uses ReSharper by [JetBrains](https://www.jetbrains.com/).