8178380: Module system implementation refresh (5/2017 update)

[Alan Bateman]

As I mentioned in another thread, we need to get the changes accumulated 
in jake to jdk9/dev.

JDK-8178380 [1] has the summary of the changes that have accumulated 
since the last refresh.

One note on the hotspot repo is that the changes to dynamically augment 
the platform modules run into JDK-8178604 when testing with an exploded 
build. So there is a partial fix for this in jake. Harold has the more 
complete fix in review on hotspot-runtime-dev for JDK 10.

The webrevs with the changes is here:
     http://cr.openjdk.java.net/~alanb/8178380/1/

-Alan

[1] https://bugs.openjdk.java.net/browse/JDK-8178380