* migrate to netcoreapp3.1

* update comments

* update tool versions

* Fix native dependencies

* Mac doesn't support TorchSharp

* Rename dependency manager again

* Lest we forget

* Refactor native resolution

* Fcs -- compile

* typo

* buildy

* Linux

* Update src/fsharp/CompileOps.fs
Co-Authored-By: NPhillip Carter <pcarter@fastmail.com>

* feedback

* temp

* c#

* fix delete and fsharpcore reference.

* improve surface area
Co-authored-by: NPhillip Carter <pcarter@fastmail.com>

* Remove events from fsi

* Change data types

* temp

* Refactor dm integration into new dll

* More refactor and tests

* sigs

* Fix interactivetext link

* fix tests on non-windows

* Update src/fsharp/Interactive.DependencyManager/DependencyManager.fs
Co-Authored-By: NPhillip Carter <pcarter@fastmail.com>

* Update src/fsharp/Interactive.DependencyManager/DependencyManager.fs
Co-Authored-By: NPhillip Carter <pcarter@fastmail.com>

* feedback
Co-authored-by: NPhillip Carter <pcarter@fastmail.com>

* add references

* Add references, also support legacy Package Manager APIs, Change scope of PM APIs

* Return values from reflection

* return values

* Rename FSharp.DependencyManager.Nuget

* sigfile

* Rework dependency notifications

* rework Dependency events

* Remove assembly addednotification from fsievaluation session

* Remove AssemblyReferenceAdded notification

* Update FSharpScriptTests.fs

* Typos

* references greater than 0

* Clean up project file

* remove framework deps

* tests

* Simplify slightly and resolve package conflicts for dotnet build too.

* stuff

* Merge dependency manager and fsi script testing

* Don't forget Linux Duh!!!

* add events to #r nuget

Includes events for dependency add start, successful completion, and failure.

* remove unnecessary keyword that was redundant and didn't need to be there

* fire events for each unique package referenced

* refactor NuGet dependency manager

By splitting it out this way, the parse method is now directly unit-testable.

* allow package version to be the second implicit argument

* handle potentially duplicate package reference lines

* Add test harness for nuget test cases

* Fix script

* enable test for unix