[doc] Add website links to about dialog

src/init.cpp

@@ -479,11 +479,20 @@ std::string HelpMessage(HelpMessageMode mode)
 
 std::string LicenseInfo()
 {
+    const std::string URL_SOURCE_CODE = "<https://github.com/bitcoin/bitcoin>";
+    const std::string URL_WEBSITE = "<https://bitcoincore.org>";
     // todo: remove urls from translations on next change
     return CopyrightHolders(strprintf(_("Copyright (C) %i-%i"), 2009, COPYRIGHT_YEAR) + " ") + "\n" +
            "\n" +
-           _("This is experimental software.") + "\n" +
+           strprintf(_("Please contribute if you find %s useful. "
+                       "Visit %s for further information about the software."),
+               PACKAGE_NAME, URL_WEBSITE) +
            "\n" +
+           strprintf(_("The source code is available from %s."),
+               URL_SOURCE_CODE) +
+           "\n" +
+           "\n" +
+           _("This is experimental software.") + "\n" +
            _("Distributed under the MIT software license, see the accompanying file COPYING or <http://www.opensource.org/licenses/mit-license.php>.") + "\n" +
            "\n" +
            _("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.") +