1. Upgraded from UWP 5.1.0 to 5.2.0
2. Upgraded all assemblies from RC to RTM bits
3. Renamed Common directory to Opc.Ua.Sample
4. Reimplemented HTTP transport due to removed classes in .Net Standard
5. Small UWP XML class cleanup due to changes in UWP 5.2.0
Added Sample project (needed for server).
Fixed copyright info.
Fixed all "easy" TODOs (or removed if not applicable anymore).
Removed HTTP transport settings (HTTP not supported anymore, only HTTPS).
Added option to load embedded resources from app directory as embedded resources not supported in .Net Standard.