- Fix NPE and other partials bugs
      - More extension message stubbing
      - Log tweaks

             so each sub-build.xml is only executed once (true DAG)

     and 'd34a77db6375e8df16bb5fdf76aaa43ab630c704'

     and '846a3cf81acf27ff8da92e611833e5651af94496'

     and '77a4e2e18ab0e48d6f102388838e1367c1d56ebd'

     and '73917249645c8c29f9d46f7ed097290016161e15'

      - Drop queued outbound requests when choked
      - Redo some data structures and locking to hopefully prevent deadlock
      - Memory reduction part 3: Return partial pieces to PeerCoordinator when choked

      - Add man pages to package
      - New updaterWithJavadoc target
    * Console:
      - Add link to javadocs if installed

     and 'a69c4ee8775f64e852719b159c9fc5091405d8cf'

base code fixes.