Add security message to license text, rm url from translation string

src/bitcoin-cli.cpp

@@ -65,8 +65,9 @@ static bool AppInitRPC(int argc, char* argv[])
     ParseParameters(argc, argv);
     if (argc<2 || mapArgs.count("-?") || mapArgs.count("-h") || mapArgs.count("-help") || mapArgs.count("-version")) {
         std::string strUsage = _("Zcash RPC client version") + " " + FormatFullVersion() + "\n";
-        strUsage += "\n" + _("In order to ensure you are adequately protecting your privacy when using Zcash, please see https://z.cash/support/security/index.html") + "\n";
         if (!mapArgs.count("-version")) {
+            strUsage += "\n" + strprintf(_("In order to ensure you are adequately protecting your privacy when using Zcash, please see %s"), "https://z.cash/support/security/index.html") + "\n";
+
             strUsage += "\n" + _("Usage:") + "\n" +
                   "  zcash-cli [options] <command> [params]  " + _("Send command to Zcash") + "\n" +
                   "  zcash-cli [options] help                " + _("List commands") + "\n" +

src/metrics.cpp

@@ -333,7 +333,7 @@ void ThreadShowMetricsScreen()
 
         // Security warning text
         std::cout << std::endl;
-        std::cout << _("In order to ensure you are adequately protecting your privacy when using Zcash, please see https://z.cash/support/security/index.html") << std::endl;
+        std::cout << strprintf(_("In order to ensure you are adequately protecting your privacy when using Zcash, please see %s"), "https://z.cash/support/security/index.html") << std::endl;
         std::cout << std::endl;
     }
 

src/util.cpp

@@ -878,7 +878,8 @@ void SetThreadPriority(int nPriority)
 
 std::string LicenseInfo()
 {
-    return FormatParagraph(strprintf(_("Copyright (C) 2009-%i The Bitcoin Core Developers"), COPYRIGHT_YEAR)) + "\n" +
+    return "\n" + FormatParagraph(strprintf(_("In order to ensure you are adequately protecting your privacy when using Zcash, please see %s"), "https://z.cash/support/security/index.html")) + "\n" + "\n" +
+           FormatParagraph(strprintf(_("Copyright (C) 2009-%i The Bitcoin Core Developers"), COPYRIGHT_YEAR)) + "\n" +
            FormatParagraph(strprintf(_("Copyright (C) 2015-%i The Zcash Developers"), COPYRIGHT_YEAR)) + "\n" +
            "\n" +
            FormatParagraph(_("This is experimental software.")) + "\n" +