cleanup around filter and predicates : remove duplicate compiler.util.NodeIterators add contains to NodeIterable support isNotA(Class).nor(Class) filtering support filtering on interfaces remove and/or(Class) from FilteredNodeIterable replace with isA(Class).or(Class) lower the cost on extending NodeIterable (remove the until field) NodeList is a NodeIterable Use NodeIterable functions where possible

README:
  This file should be located at the top of the hotspot Mercurial repository.

  See http://openjdk.java.net/ for more information about the OpenJDK.

  See ../README-builds.html for complete details on build machine requirements.

Simple Build Instructions:

    cd make && gnumake
     
  The files that will be imported into the jdk build will be in the "build"
  directory.