Actually use the parameter passed to the documentation generator task.
tsnext

- Updated TypeScript to snapshot of v1.1-prerelease compiler

JSDoc generator
- Generate @template JSDoc annotations using type information
- Generate @enum JSDoc annotations using type information

Documentation generator
- Show enums
- Show generics in base type references
- Show all private methods and un-exported functions when "Show private" is selected
- Support @{link}
- Don't generate two elements with the same ID for properties.