Test updates from union changes
Fixing merge conflicts
ensure unionProperty symbols have declarations set at creation time
Less aggressive subtype reduction in union types
Merge branch 'unionTypes' of https://github.com/Microsoft/TypeScript into unionTypes
Accepting new baselines
Handle union properties completions on apparant types
Add a temporary fix to quick info
Merge branch 'unionTypes' into unionTypesLS

Conflicts:
	src/compiler/checker.ts