Version 0.5.7

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Release 0.5.7:

http://download.nxtcrypto.org/nxt-client-0.5.7.zip

sha256: 20002edeaaf0ffab97ab2f969969acb4f8a9df35fe489361b44e5291d95a33a7

Change log:

After the optimizations in memory and CPU usage, this release is about
optimizing the networking. Instead of sending to all peers, data are
pushed to only 10 peers by default. The number is configurable in
web.xml, the sendToPeersLimit parameter. This should reduce the network
traffic, and should also significantly reduce the waiting time the user
experiences when sending out a transaction. Furthermore, sends are now
done in parallel, using a pool of 10 threads, which means slow peers
will not delay the sending to the rest.

A few of the exceptions found from the debug output have been fixed,
and some more networking exceptions known to be harmless will now be
ignored. The logs are much more quiet now even with debug enabled, so
I have decided to enable the nxt.debug parameter by default in nxt.ini.

Transparent Forging phase 2 starts at block 47000. Everybody should
update to at least 0.5.7 before this block is reached, otherwise we
may see forks.

Added Wesley's send message tool, message.html.

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