* Improve C# serialization performance of repeated fields for primitives.
* Changes based on feedback.
* Change compatibility tests to chec float, bool and double are fixed
* Changes based on feedback.
* In the compute methods use the newly created constants
* Changing DOTNET35 framework symbols in preprocessor directives to the default built-in value of NET35.
* Adding extension method StreamExtension.CopyTo for .NET 3.5 because it didn’t exist until .NET 4, and adding associated unit tests.
This is mostly just making things internal instead of public, removing and reordering a bunch of code in CodedInputStream/CodedOutputStream, and generally tidying up.
Jan Tattermusch
listonjesse
WilliamWhispell
Sebastian Schuberth
John Brock
Jon Skeet
Jon Skeet