Tests: Extract VSHost.TypeText method for editors

Removes all duplicated code from editor typing tests.
Javascript: Dismiss IntelliSense when deleting quote

Includes test case
Set LintOnBuild to false by default
Analysis: Fix more warnings

Remove unused code, handle failures
Analysis: Add suppressions

Suppress ConOxide & awaitable issues, add dictionary words
Dependencies: Add basic dependency graph

Incomplete
Dependencies: Add ReaderWriterLock

Also fix parameter casing