* re-enable mono build on CI

* do it right

* simplify fcs samples

* build nugets and test on mono

* fix proto build

* remove mono workarounds using msbuild, use dotnet instead

* add comment

* set IsPackable=false explicitly in samples

* missing file

* add docs

* fix minor things

* Fix 4240 - MakeTuple on struct tuples

* fix this mistake

* fix tuple warnings

* fix tuple warnings

* fix tuple warnings

* fix tuple warnings

Convert vsintegration projects to .NET Core SDK

This also includes removing a bunch of dead code that was incorrectly getting globbed into the <Compile> group.

* cleanup flags and defines

* move fcs to .NET Standard 2.0

* move to .NET SDK project files for FCS

* move to ubuntu 16.04

* don't use mono build on jenkins until we know how to get updated mono installed

* no op change

* fix casing of FCS outputs

* no longer sudo, no outer-latest in CI

* no longer sudo, no outer-latest in CI

* rejig mono scripts

* upates to ci

* upates to ci

* upates to ci

* use outer-latest for sudo

* fix scripts

* rejig mono scripts

* upates to ci

* upates to ci

* upates to ci

* rejig mono scripts

* Update netci.groovy

* Use mutli-line string

* Update netci.groovy

* Update to Ubuntu 16.04

LOC CHECKIN | visualfsharp master | 20180222

* Move ProjectSitesAndFiles to FSharp.Editor

* Remove weird stuff and add the VSLang proj reference like it is in FSharp.LanguageService

* Remove dependency on FSharp.LanguageService

* Whoopsie on that legacy project system

* Update project system tests

* Update tests

* Weird comment removal

* Remove FSharp.Editor dependency on FSharp.Language service and update all other pieces