Make backend combobox tooltip display the active backend's description.

Reverse the order of the OK/Cancel button in the Ad-Hoc connection dialog.
Use a new set of icons.
Extend the update invervals for all backends by 1 second.
Try to use en_US.utf8 instead of C as the LANG in misc.Run if it is available.
Add ability to force a network state update.  (Currently not used).

wicd/wnettools.py

@@ -402,7 +402,7 @@ class BaseInterface(object):
                 pump_success = False
                 pump_complete = True
             print line
-            
+    
         return self._check_dhcp_result(pump_success)
 
     def _parse_dhcpcd(self, pipe):