Consider passing compiledOptions to plugin preCompile

[phil-mitchell]

Currently the raw options are passed to preCompile(). However, it may be (more?) useful to have the compiledOptions. Specifically I'd like to create a plugin that can reference the controllers. But this currently fails if the controllers are passed as a path in the original options. The compiledOptions have already resolved the controllers string into an object but that is not accessible in preCompile().