deep namespaces

1.0.2:

fix #192

1.0.3:
no-deprecated follows deep namespaces (#191)

1.0.4:
don't crash on self references (#210)
correct cache behavior in eslint_d for deep namespaces (#200)
respect hoisting for deep namespaces (namespace/no-deprecated) (#211)

namespace no longer flags modules with only a default export as having no names. (ns.default is valid ES6)