Correct the declaration emit for overload implementation if there is single overload signature

Fixes  #480
Baseline and harness changes
More type baseline changes
Adjust baselines after rebase
Update baselines
Merge branch 'master' into typeBaselines
Update baselines
Print type of super
Print pure namespaces as unknown
Print Array as T[]
Don't use UseTypeOfFunction in typeWriter
Revert condition inside shouldWriteTypeOfFunctionSymbol
Merge branch 'master' into typeBaselines
Update baselines
Merge pull request #554 from Microsoft/typeBaselines

Changes to typeWriter and type baselines
Merge pull request #514 from Microsoft/overloadSignatureDeclaration

Correct the declaration emit for overload implementation if there is single overload signature
Merge branch 'master' into restrictUseOfSys
Update LKG