The display names are shown if you add the feed URL, so being able to
distinguish between them is nice.

(Note: I also saw that we had a duplicate ID, so I changed the one we don't
seem to publish anymore)

Enable Completion filtering and highlighting by default

Merge telemetry sources into existing projects

Now that the telemetry API is consumable from OSS and the code is there, no
need to have a dedicated binary + vsix for it.

Share refactoring code between C# and VB.

Merge dev15-preview-4 into master

Do not go back to the symbol to determine what text we will insert for a completion item.

Support doc comments for symbols declared off an anonymous type.

Fixes #12530

Refactor how we do completion item insertion.

VisualBasicSyntaxFactService shared default instance.

Support async methods returning Task-like types

[Based on features/async-return with tests ported from that branch.]

Remove unnecessary resource.

Respect filter flags when searching for symbols.

Fixes #12169

[Based on features/async-return with tests ported from that branch.]