Clean up a bunch of TODOs that are obvious, specced or irrelevant
REVIEW-4054: Added WindowsResourceCompile to DSL doc
REVIEW-4066: Restrict TargetedNativeComponent.targetXXX methods to accept string parameters only
REVIEW-4046: Use TestComponent to list sources that should appear in VSProject
Fixed RelativeFileNameTransformer so that it creates a minimal relative path.
REVIEW-4041: Don't assume a limited set of native binary subtypes
REVIEW-4106: Added WellBehavedPluginTests for native binary plugins