Show "Press Ctrl-C" in fg like tail -f does

Author: mnaberez

supervisor/supervisorctl.py

@@ -1311,6 +1311,8 @@ def do_fg(self, arg):
             self.handle_error('ERROR: process not running')
             return
 
+        self.ctl.output('==> Press Ctrl-C to exit <==')
+
         a = None
         try:
             # this thread takes care of the output/error messages
@@ -1344,7 +1346,7 @@ def do_fg(self, arg):
 
     def help_fg(self,args=None):
         self.ctl.output('fg <process>\tConnect to a process in foreground mode')
-        self.ctl.output('Press Ctrl+C to exit foreground')
+        self.ctl.output("\t\tCtrl-C to exit")
 
 
 def main(args=None, options=None):