Allow -noserver with bitcoind

Allow running bitcoind without server.

- Default to -server mode (of course) for bitcoind with SoftSetBoolArg
- Remove fForceServer argument from AppInit2
- Move fDaemon to a static variable in bitcoind

src/bitcoind.cpp

@@ -30,6 +30,8 @@
  * Use the buttons <code>Namespaces</code>, <code>Classes</code> or <code>Files</code> at the top of the page to start navigating the code.
  */
 
+static bool fDaemon;
+
 void DetectShutdownThread(boost::thread_group* threadGroup)
 {
     bool fShutdown = ShutdownRequested();
@@ -108,6 +110,8 @@ bool AppInit(int argc, char* argv[])
         fDaemon = GetBoolArg("-daemon", false);
         if (fDaemon)
         {
+            fprintf(stdout, "Bitcoin server starting\n");
+
             // Daemonize
             pid_t pid = fork();
             if (pid < 0)
@@ -127,9 +131,10 @@ bool AppInit(int argc, char* argv[])
                 fprintf(stderr, "Error: setsid() returned %d errno %d\n", sid, errno);
         }
 #endif
+        SoftSetBoolArg("-server", true);
 
         detectShutdownThread = new boost::thread(boost::bind(&DetectShutdownThread, &threadGroup));
-        fRet = AppInit2(threadGroup, true);
+        fRet = AppInit2(threadGroup);
     }
     catch (std::exception& e) {
         PrintExceptionContinue(&e, "AppInit()");