Simplify the docs-generate script.
Simplify the docs-generate script.

Depends on moving the skeleton's config/phpdoc.xml file to /phpdoc.dist.xml.

There also seems to be some serious issues with the composer package of phpdoc. It fails to produce any documentation, only "blank" html shell files. I've posted here:

* https://github.com/phpDocumentor/phpDocumentor2/issues/1427#issuecomment-123042748
* https://github.com/phpDocumentor/phpDocumentor2/issues/1523#issuecomment-123045319

loadsys/CakePHP-Shell-Scripts,loadsys/CakePHP-Shell-Scripts