New Bug Fixes!

This is a patch release with only bug fixes and no new features or breaking changes included.

.NET

1. [.NET] Netstandard1.3 DLL from the latest nuget is not correctly SNK signed
2. Update SignConfig.xml to use stronger cert

Android

N/A

iOS

N/A

JS

N/A

UWP

1. Update SignConfig.xml to use stronger cert