- Don't die if depend not available
   - Only verify Jetty hash once
   - Add streaming lib tests to depends task

      - Add more info to Connection.toString() for debugging
      - Fix lifetimeMessages{Sent,Received} stats
      - Reduce RTT damping to 0.875 (was 0.9)
      - Add a stream.con.initialRTT.{in,out} stats

      - Use the depend task with caching for more accurate dependencies
      - Make sure the routerconsole gets the latest router version
      - Fix addressbook repeated builds

      when the initial data is larger than one MTU,
      e.g. HTTP GETs with large URLs, CGI params or cookies,
      or large HTTP POSTS:
      - Don't reject additional packets received without a
        send stream ID (i.e. sent before the SYN ACK was received)
      - Put unknown non-SYN packets on the SYN queue also
        so they won't be rejected
      - Reduce flusher delay to 250ms (was 500)
      - Flush unless window is full (was window is non-empty)

      set to true to refuse OBEP and IBGW roles, should
      reduce connections significantly if set.

      - Code cleanup
      - Add 4-hop option
      - Remove +/- 0-2 option

      in the request headers

      - Don't distclean in the updaterRouter target
      - Don't make prepUpdate and prepupdateSmall depend
        on distclean
      - Don't make susimail build always clean
      - Make pkg depend on distclean to be sure
      - Clean out more routerconsole and susidns files in 'ant clean'
      - i2ptunnel, routerconsole, susidns:
        Only build WEB-INF when necessary
      - systray: Only build jar when necessary
      - Don't build i2psnark standalone for the updater target

      - Add a signed Certificate type
      - Add a main() to PrivateKeyFile to generate
        Destinations with various Certificate types
      - Add a VerifiedDestination class to check Certificates
        of various types
      - Add a HashCash library from http://www.nettgryppa.com/code/
        (no distribution restrictions)
      - Allow non-null Certificates in addressbook

      see ConnectionOptions.java for analysis

Piles of pedantic lock checks to ensure we don't get deadlocked, it's ugly.

SusiMail JavaDoc additions.

     and 'ee93f3940b59255ddab5fa4aafd6f567f46783f7'