* OCMOSJ: Clear caches at restart
  * UPnP:
    - Fix device rediscovery and port opening after restart

    clock shifts by partially restarting the router. Also improve
    restarts initiated from config.jsp
    Tickets #465, #468, #494
  * UPnP: Wait for a while to ensure port removal at shutdown or restart

    - Improve YK speed test
    - Shut down thread faster
    - Refiller keeps going until full
    - Cleanups

  so shutdown doesn't hang
- Javadocs

          TunnelBuildReplyMessage into a common base class

    - Use system SHA-256 MessageDigest instead of Sha256Standalone in PRNG
    - Deprecate DataHelper functions using Sha256Standalone arguments;
      used only by Syndie
    - Note deprecation in javadocs

    - Log error on out-of-order spans
    - Log error on corrupt level and discard
    - Fix SkipSpan non-flush bug causing null levels
    - Add level fixer that repairs nulls and out-of-order levels
    - Fix bug on backwards span construction, not hit in practice
    - Lots of log level changes

Instead of deleting debian/copyright with "ant clean", add it to .mtn-ignore.
With the current method, the copyright file doesn't end up in the debian source
package...

    - Remove floodfills from dont-include list in exploration
      DatabaseLookupMessage, as the dont-include-floodfills flag
      has been supported since release 0.7.9.
      This will make exploration work better, as there is room for
      non-floodfills in the don't-include list now.
    - Reduce min and max exploration intervals
    - Explore aggressively at startup and if known routers is low
    - Explore slowly if known routers is high

             of connected peers

                 down the context initAll()

  * Shutdown:
    - Clear more resources in peer manager, netdb, stat manager,
      session key manager, naming service, tunnel dispatcher,
      OCMOSJ (result of testing with jvisualvm)
    - Don't call wrapper on shutdown (starting two threads) if we
      were started with runplain

    - Fix error output bug
    - Output error data for 504 too

            to branch 'i2p.i2p' (head c2393e50afccfd5682a9086f0eec2a0700cda2c9)

            to branch 'i2p.i2p' (head 1fa62c230eba5af7849024338fecf51bb2719c4e)