* ri change from fsharp

* fix test

* bump FSC tools to 4.1.27

* remove fsharp.core from Mono GAC

* align mono directory

* fix typo

* install back versions with Mono

* fix typo

* fix assembly reference

* remove line endings from all *.nuspec files

* ProjectCracker returns *.fsi files in FSharpProjectOptions.SourceFiles array (in addition to *.fs files, in right order)

* ProjectCracker raises exception if ProjectCrackerTool returns non null ProjectCrackerOptions.Error (new field)

* fix build on linux

* fix a test

* slashes

* revert slashes

* Update FSharp.Compiler.Service.ProjectCracker.nuspec

* fix assembly reference

* whitespace and comments

* whitespace and comments

* whitespace and comments

* fix xmldocs for in-memory project references

* add test

* fix tests

* Parse without reactor, add parsing options, error severity options

* Revert parsing APIs (fallback to the new ones), fix VFT projects

* Cache parse results after type check

* Add impl files to file check results (#3659)

* add LanguageServiceProfiling project to internals visible to list of FSharp.Compiler.Private project

* add ImplementationFiles to FSharpCheckFileResults

* make FSharpImplementationFileContents ctor internal

* throw if ImplementationFiles is called having keepAssemblyContents flag set to false

* add a test

* spelling and cosmetics

* This adds backup, restore, coloration and many more checks to the update-vsintegration.cmd (#3672)

* This adds backup, restore, coloration and many more checks to the update-vsintegration.cmd

* This adds backup, restore, coloration and many more checks to the update-vsintegration.cmd

* Remove ambiguous an irrelevant instruction, improved help and instructions

* Fix a scenario where the return code wasn't nonzero for error conditions, fixes not creating backup dir when not backing up

* add LanguageServiceProfiling project to internals visible to list of FSharp.Compiler.Private project (#3657)

* bump FCS version (#3676)

* bump version

* Update RELEASE_NOTES.md

* updates to make tests pass

* restore old behaviour of CheckFileInProjectAllowingStaleCachedResults (builder had been created by ParseFileInProject)

* restore use of CheckFileInProjectAllowingStaleCachedResults

* deprecate test relying on whacky behaviour of deprecated GetCheckResultsBeforeFileInProjectEvenIfStale

* Use ParseFile and FSharpParsingOptions instead of ParseFileInProject

* prepare FCS release with this feature

* bump version

* Update RELEASE_NOTES.md

add LanguageServiceProfiling project to internals visible to list of FSharp.Compiler.Private project (#3657)

* This adds backup, restore, coloration and many more checks to the update-vsintegration.cmd

* This adds backup, restore, coloration and many more checks to the update-vsintegration.cmd

* Remove ambiguous an irrelevant instruction, improved help and instructions

* Fix a scenario where the return code wasn't nonzero for error conditions, fixes not creating backup dir when not backing up

* add LanguageServiceProfiling project to internals visible to list of FSharp.Compiler.Private project

* add ImplementationFiles to FSharpCheckFileResults

* make FSharpImplementationFileContents ctor internal

* throw if ImplementationFiles is called having keepAssemblyContents flag set to false

* add a test

* spelling and cosmetics

* Fix stack overflow on tp assembly resolution

* Feedback

* enable fs as prefix and ignore invalid values for warnings + tests

* Allow #pragma to validate warnings

* do it right

* use ordinal compare

* In both places

* Add fs prefix to warnaserror

* Fixup tests

* fix assembly reference

* remove more build warnings

* fix build

* Adds optimized emit for int64 constants.

* Adds comment linking to the changing PR.

Thanks for this PR.

Kevin

* update to System.Collections.Immutable 1.3.1

* fixes

Fixing JaroWinkler tests with InvariantCulture and fixing async tests by removing Debugger.Break() (#3627)

* Fixing JaroWinkler tests to use InvariantCulture for number-to-string

* Fixing the crashing of test runners because of a Debugger.Break() in a test

Fix build.cmd for certain always-shown errors (like "unable to find registry key"), improve finding of VS2017 tools, fix DEVGUIDE.md (#3635)

* Fix build.com displaying the following error on each run "ERROR: The system was unable to find the specified registry key or value."

* Remove warning about reg.exe errors introduced in #3614 (in commit b548bd7, but unrelated to that fix), it is no longer necessary.

* Fix #3638, VS2017 Preview installation was not found when VS2017RTM is not installed. Remove comment introduced in #3614 (through commit 966bd7f7)