GeoIPv6 update 2018-08-16 from Maxmind

license line.

     and 'cd23f58885590026a755c32f8f2c2f513e22e21c'

     and '7acf152f554c78474ef071ac74ceb6a4889c600b'

     and 'eea0aed1232ed304fa6ffeaeee28d9399bf3efdc'

This licenses the files lying under the path
launchers/macosx/obj-cpp/include in this repository.

launchers/macosx/obj-cpp/include/neither is MIT, while the
rest unless spesified in the header, is Boost.

C++17 variant, eggs implementation is licensed under Boost,
original source can be found at http://eggs-cpp.github.io/variant/
forked at: f801e971d054341430cb91d79aa0bb4d0bf24330

C++ Neither is licensed under MIT, original source can be found at
https://github.com/LoopPerfect/neither
forked at: a2bbaa25d62c538fb044a6eda5254e7a068e4ff7

C++ Optional implementation is licensed under Boost, original source
found at https://github.com/akrzemi1/Optional
forked at: f6249e7fdcb80131c390a083f1621d96023e72e9

Revert changes checked-in in revision ec64be9e9faf415091bda0fe3567c6460310f7ad as they were not intended for this branch

Update PeerState to use CachedIteratorCollection as propagation from i2p.i2p appears to have wiped out changes

Make table headers consistent

     and '9b8562d09e23badb58dadcedb61bb9a6fa446e6a'

Update PeerState.java to use CachedIteratorAbstract
Add some debugging lines to determine cause(s) of higher udp.sendFailed/sendAggressiveFailed stats