Adds a copyright and attribution message to the `-version` output
(the same as shown in the About dialog in the GUI).
Move the message to a function LicenseInfo in init.cpp.
returnFormatParagraph(strprintf(_("Copyright (C) 2009-%i The Bitcoin Core Developers"),COPYRIGHT_YEAR))+"\n"+
"\n"+
FormatParagraph(_("This is experimental software."))+"\n"+
"\n"+
FormatParagraph(_("Distributed under the MIT/X11 software license, see the accompanying file COPYING or <http://www.opensource.org/licenses/mit-license.php>."))+"\n"+
"\n"+
FormatParagraph(_("This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit <https://www.openssl.org/> and cryptographic software written by Eric Young and UPnP software written by Thomas Bernard."))+
Distributed under the MIT/X11 software license, see the accompanying file COPYING or <a href="http://www.opensource.org/licenses/mit-license.php">http://www.opensource.org/licenses/mit-license.php</a>.
This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit (<a href="https://www.openssl.org/">https://www.openssl.org/</a>) and cryptographic software written by Eric Young (<a href="mailto:eay@cryptsoft.com">eay@cryptsoft.com</a>) and UPnP software written by Thomas Bernard.</string>