Updates ASP.NET package versions to 2.1
Tweaks TFMs
- libraries = netstandard2.0
- exes/apps/tools = netcoreapp2.1
- unit tests = netcoreapp2.0
- e2e tests = netcoreapp2.1 (dependency on apps)
The exception to this is the Browser.JS project which depends on our
tool for its build. however this project just builds the js code so its
TFM doesn't really matter.
* Add support for zero copy byte array marshalling
* Add support for sending arbitrary HttpContent, refs #479
* Fix unit test to set ContentType correctly
* Add support for receiving binary data
* Compare header case insensitive
* Add unit test for binary http requests