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/options.h

@@ -31,6 +31,7 @@ struct Options
 #ifdef __WIN__
   static char install_as_service;
   static char remove_service;
+  static char stand_alone;
 #else
   static char run_as_service;        /* handle_options doesn't support bool */
   static const char *user;
@@ -52,7 +53,7 @@ struct Options
   int load(int argc, char **argv);
   void cleanup();
 #ifdef __WIN__
-  int setup_windows_defaults(const char *progname);
+  int setup_windows_defaults();
 #endif
 };