* InteractiveHost for .NET Core

* Merge fix

* Fixes

* Typo

* Workaround for https://github.com/dotnet/interactive-window/issues/156

* Fix

* Update OptProf config

* Fix deployment of rsp files

* Fix signing.

* Clean up unit tests dependencies.

* Remove unnecessary references.

* Fix reset interactive command

* Fix OptProf config

* Add missing project refs

* Fix InteractiveHost deployment

* Process rsp file fully in InteractiveHost process and send back results.

* Fix build from VS.

* Retrieve metadata resolver parameters from InteractiveHost process.

Simplify keeping search paths in-sync between InteractiveHost and InteractiveEvaluator.

* Fixes

* Fixes

* Check for failures to create process in unit tests

* Test

* Pending buffers

* Fix submission project creation

* Logging

* Serialize exceution and process initialization

* Fix reference completion, resolution.

* MetadataReferenceResolver fixes

* Fix failing .NET Core tests

* Target netcoreapp.

* Set DOTNET_ROOT

* Fix NGEN/OptProf

* Avoid loading Microsoft.CodeAnalysis.Scripting

* Fix

* Feedback

* Feedback

* Feedback

* Comment on dependent target

* Disable interpreting of strings as DateTime during deserialization:

* Merge fix