Replace "print" calls with sys.stderr.{write,flush}()

- Debug messages should go to the stderr rather than to the stdout
- Plus, Python 3 has replaced the built-in "print" with a new
  function, whose syntax is quite different.

laditools/config.py

@@ -35,7 +35,8 @@ class config(object):
             with open (config_filename) as config_file:
                 self.appdict = yaml.load (config_file)
         except:
-            print "Config file doesn't exist, creating a new one..."
+            sys.stderr.write("Config file doesn't exist, creating a new one...\n")
+            sys.stderr.flush()
             self.appdict = dict ()
 
     # Returns the section named <app_name> from the global config

laditools/jack_controller.py

@@ -16,6 +16,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import dbus
+import sys
 
 name_base = 'org.jackaudio'
 controller_interface_name = name_base + '.JackControl'
@@ -30,7 +31,8 @@ class jack_controller:
 #        self.bus.add_signal_receiver (self.name_owner_changed, dbus_interface = controller_interface_name, signal_name = "NameOwnerChanged")
 
     def name_owner_changed (name = None, old_owner = None, new_owner = None):
-        print "Name changed : %r" % name
+        sys.stderr.write("Name changed : %r\n" % name)
+        sys.stderr.flush()
 
     def is_available (self):
         try: