prop type shows up as any when the type is accessed indirectly

[eddiecooro]

The prop type is any in the styleguidist when we, for example, are doing something like this:

import React from 'react';
interface Props {
  title: React.ReactNode;
}

but the following works without problem:

import { ReactNode } from 'react';
interface Props {
  title: ReactNode;
}

[eddiecooro]

So, I tracked down this problem to this issue #71
The problem was that react-docgen-typescript uses allowSyntheticDefaultImports: false by default.
The problem solved by forcing the plugin to use our custom tsconfig.json file

require("react-docgen-typescript").withCustomConfig("./tsconfig.json");