fixed the service bits of the IM

server-tools/instance-manager/IMService.cpp:
  * setting username and password to NULL so that the 
  IM runs at LocalSystem (this should be changed soon)
  * implemented stop service by raising a sigterm
  * implemented start service by loading options and calling manager()
server-tools/instance-manager/IMService.h:
  changed the sig for Run()
server-tools/instance-manager/WindowsService.cpp:
  default debugging to false
  changed the sig of RuN()
server-tools/instance-manager/WindowsService.h:
  change the sig of run()
server-tools/instance-manager/instance.cc:
  * remove the inclusion of process.h
  * concat all args into a single buffer to pass to CreateProcess
server-tools/instance-manager/instance_options.cc:
  quoting the binary to handle paths with quotes
server-tools/instance-manager/listener.cc:
  use a timeval for select so that our select will only run
  for 100 msec before we check to see if we are shutting down
server-tools/instance-manager/mysqlmanager.cc:
  if we are given the stand alone option, then run the manager as 
  standalone
server-tools/instance-manager/options.cc:
  Added stand alone command line arg
server-tools/instance-manager/options.h:
  Added stand alone command line arg

server-tools/instance-manager/mysqlmanager.cc

@@ -102,10 +102,12 @@ int main(int argc, char *argv[])
     angel(options);
   }
 #else
-#ifdef NDEBUG
-  return_value= HandleServiceOptions(options);
-  goto err;   /* this is not always an error but we reuse the label */
-#endif
+  if (!options.stand_alone)
+  {
+    if (HandleServiceOptions(options))
+      goto err;
+  }
+  else
 #endif
 
   manager(options);