Use client-server processing to avoid constant super-user invocation.

Architecture.cpp

@@ -0,0 +1,25 @@
+/*
+U2FDevice - A program to allow Raspberry Pi Zeros to act as U2F tokens
+Copyright (C) 2018  Michael Kuc
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#include "_Architecture.hpp"
+
+using namespace std;
+
+#if ARCHITECTURE == ARCH_ANDROID
+string hidDev = "/dev/hidg2";
+#endif