8182482: Module System spec updates

[mark.reinhold at oracle.com]

2017/6/20 12:20:16 +0200, alan.bateman at oracle.com:
> ...
> 
> The webrev with the proposed (docs only, no implementation) changes is here:
>    http://cr.openjdk.java.net/~alanb/8182482/webrev/index.html
> 
> The ServiceLoader diffs are hard to read. It might be easier to read the 
> generated javadoc:
> http://cr.openjdk.java.net/~alanb/8182482/docs/java/util/ServiceLoader.html

Looks good -- very good, in fact!  Thanks for rewriting this.

- Mark