Add using should not make innapropriate spell checking fixes.

Fixes #10911

Add a script that installs Roslyn VSIXes

fixed various small issues

fix the issue where build diagnostics put into semantic slot doesn't de-dup to live on open file in some cases.

issue is build diagnostics can't be distinguished between syntax/semantic/nonlocal and everything is dump to semantic slot.

unfortunately this can't be fixed until build output more data than what it is output right now.

Address backwards compatibility issue with AssemblyInformationalVersionAttribute handling

renamed paramter to ignoreFullAnalysisOption

there was issue due to sharing implementation between document close and document reset. now two have different implementation and reset only reset versions rather than throwing away data.

Merge stabilization into master

Rename - Don't crash when type renamed to 'Current'

Update to DSR 1.0.8-rc2-60426-09

Fix the check for closed file diagnostic options in diagnostic engine…

Fix the check for closed file diagnostic options in diagnostic engine v2 (this got negated by my change today morning to turn off full solution analysis for C#)

Fixes #10469

Turn off full solution analysis by default for C#

Split FixAllContext into FixAllContext and FixAllState.

Allow calls to IsManagedType while computing GetMembers

Stack overflow when searching a bk tree

Fixes #10813

Don't load internals for metadata assemblies.  Also cap the recursion amount when searching a BK tree.

Ignore failure to delete project.lock.json

Merge stabilization into master

Fix VisualBasicSettingsManagerOptionSerializer.GetStorageKeyForOption so that we handle ServiceFeatureOnOffOptions.OptionName separately.

This reverts commit ffec6afc.

Delete project.lock.json files before restoring packages