All currently supported distros support this format.

   more clock skew and not drop valid messages at their destination

   - Prep for new signature algorithms; new SigType enum;
     Signature, SigningPublicKey, SigningPrivateKey store type
   - New Hash384 and Hash512 classes
   - Remove length field in SimpleDataStructure
   - New SU3File generator/verifier/extractor

   - Really fix IPv6-only option
   - Treat RFC 4193 addresses fc00::/7 as local
   - Log tweaks, javadocs

     and 'f5d75b2ebc648c43182d685f30e96242e43caa69'

   - Prefer IPv6 by default
   - Fix IPv6-only option
   - Don't try NTCP IPv6 addresses unless we have one
   - Fix non-%16 SSU padding in data and session confirmed packets; enable by default
   - Log tweaks

   - Make expl. default 3 hops  (ticket #966)
   - Allow expl. fallback up to -2 hops

   - Don't pollute Hash cache with hashes
   - cleanups, less object churn

   - Make non-static
   - Don't pollute Hash cache with build response record hashes
   - Use SimpleByteCache
   - cleanups

   - Oops, must enforce property length limits even when inside router JVM
     as the properties are serialized for signing.

 * I2CP:
   - Don't NPE when loglevel=warn
   - Don't enforce property length limits when inside router JVM
 * I2PSnark: Log uncaught error in ThreadedStarter to router log
 * I2PThread: Log uncaught error to wrapper log

	trac ticket #972
	up version to -4

            to branch 'i2p.i2p' (head 7af6987d5546664f76589afe0cbeeb780f4b5d58)