Add option "-splash" so we can disable the splash screen.

Don't show splash screen when -min is specified on the command line.

src/init.cpp

@@ -187,6 +187,7 @@ bool AppInit2(int argc, char* argv[])
             "  -gen             \t\t  " + _("Generate coins") + "\n" +
             "  -gen=0           \t\t  " + _("Don't generate coins") + "\n" +
             "  -min             \t\t  " + _("Start minimized") + "\n" +
+            "  -splash          \t\t  " + _("Show splash screen on startup (default: 1)") + "\n" +
             "  -datadir=<dir>   \t\t  " + _("Specify data directory") + "\n" +
             "  -timeout=<n>     \t  "   + _("Specify connection timeout (in milliseconds)") + "\n" +
             "  -proxy=<ip:port> \t  "   + _("Connect through socks4 proxy") + "\n" +

src/qt/bitcoin.cpp

@@ -183,9 +183,12 @@ int main(int argc, char *argv[])
     app.setApplicationName(QApplication::translate("main", "Bitcoin-Qt"));
 
     QSplashScreen splash(QPixmap(":/images/splash"), 0);
-    splash.show();
+    if (GetBoolArg("-splash", true) && !GetBoolArg("-min"))
-    splash.setAutoFillBackground(true);
+    {
-    splashref = &splash;
+        splash.show();
+        splash.setAutoFillBackground(true);
+        splashref = &splash;
+    }
 
     app.processEvents();
 
@@ -199,7 +202,8 @@ int main(int argc, char *argv[])
                 // Put this in a block, so that BitcoinGUI is cleaned up properly before
                 // calling Shutdown() in case of exceptions.
                 BitcoinGUI window;
-                splash.finish(&window);
+                if (splashref)
+                    splash.finish(&window);
                 OptionsModel optionsModel(pwalletMain);
                 ClientModel clientModel(&optionsModel);
                 WalletModel walletModel(pwalletMain, &optionsModel);