(tickets #715 and #743)
 * SystemVersion: Centralize more methods here

Let's not direct people to see how to configure their browser at
http://www.i2p2.i2p/htproxyports when you need to have your proxy configured to go there!

   - Add peer test throttling
   - Peer test packet count fixes
   - Adjust peer test timeouts and add backoff
   - Reject relays and peer tests from same /16
   - More peer test cleanup and log tweaks
 * Transports:
   - Enforce minimum peer port
   - Warn on low router ports

   - Fix relay request handling bug from -10
   - Fix peer test reply handling bug from -10
   - Fix NPE from -6

   - Set default read timeout in standard server
   - Reduce header timeout, enforce total header timeout
     in IRC and HTTP servers (ticket #723)
 * Streaming: Don't ignore option or force connect timeout to 5 minutes
 * Streaming javadocs
 * SocketTimeout cleanup

   - Flush buffers in logs.jsp
   - Add dup message to buffers, was in file only

         root cause TBD

- Minor improvements to relay defenses

   - Throttle outbound destroys on shutdown
   - Limit outbound introduction offers

 * error500.jsp: Fix whitespace

   - Add allocating and checking indications
   - Add bandwidth message at startup
   - More checks at torrent creation

   - More synchronization fixes
   - Reduce chance of dup acks in a single message
   - Reduce max unsent acks to 50
   - Use last ack time in ping decision too
   - Reduce ack delay

               storeProps() for router config again