to branch 'i2p.i2p' (head efebdaa0f53b9bc0234d18a7a934cc0f4fa6231e)

- Prevent NPE when closing a delayed-open tunnel

            to branch 'i2p.i2p' (head 15f093fdaa28a510bd45965dc849c8d04e0d42f7)

            to branch 'i2p.i2p' (head a0a51ce09fc12b75238432d8926103af46696820)

      - Clean up retry code
      - Bring I2CP listen error to the summary bar
        http://forum.i2p/viewtopic.php?t=3133

      - Change from 5% reply requests to at least
        once per minute, in hopes of reducing IRC drops
      - More clean up of the cache cleaning

      - Add persistent key option for clients (not hooked in yet)
      - I2PSink: Send protocol byte