to support translation of other webapps

      - Switch all I2PThreads to I2PAppThreads
      - Run an InternalSocket as well for the HTTP Proxy
    * EepGet: Use InternalSocket
    * Console: Change "depth" to "length"

      allows clients in the same JVM to connect to the
      router without going through the kernel

      HttpServlet, so susidns can kick it when the subscription
      list changes

      - Move default reverseLookup to base class
      - Deprecate unused services

      - Switch from ArrayList to ConcurrentHashSet in
        KBucketImpl to reduce chance of deadlock;
        remove periodic shuffling of the bucket,
        needs to be addressed elsewhere

            to branch 'i2p.i2p.zzz.test' (head 2ceb319557032e54cc8ace070515c6d540e0a7a4)

      too, so we can calculate a percentage
    * profiles.jsp:
      - Change fail rate from count to percent
      - Hide standard profiles by default

      - When an "immediate" ack is requested, do it within
        250 ms (was 2000)
      - Request immediate acks when < 1/3 of window remains,
        or when < 3 packets remain in window,
        and every 8 packets (was when < 2 packets in window remain)
      - Change requested delay to RTT/2 (was RTO/2)
      - Log cleanup and javadoc

      - Use facade's peer selector for exploration rather than
        instantiating a new one

      compiled and bundled separately (~15KB)

add messages_{langcode}.only support to only update for a specified language