Create and use sicsglobal.h and add isDuringInitialization

SICSmain.c

@@ -23,6 +23,7 @@
 #include <unistd.h>
 #include "nserver.h"
 #include "servlog.h"
+#include "sicsglobal.h"
 
 /* ========================= Less dreadful file statics =================== */
 
@@ -47,7 +48,6 @@ int main(int argc, char *argv[])
   int daemonize = 0;
   char *file = NULL;
   int i, firstArg = 1;
-  extern const char *argv0;
   extern pServer pServ;
 
   argv0 = argv[0];