Updated JEP: nestmates

[John Rose]

On Apr 12, 2017, at 3:00 PM, Remi Forax <forax at univ-mlv.fr> wrote:
> 
> This JEP is not about the JVM providing a way to add a new member to the nest,
> so if a language (stupidly you may say) allow to dynamically add a new member to a nest, the runtime of that language still needs lookup.in().

Good point, thanks.  I removed that bullet item.  (Also tidied a few other bits.)  — John