Removed continuous_stop command

There's no reason that continuous_stop should be a different command
from stop.  Sending a stop command when in continuous listen mode would
confuse matters, so preventing that from happening at all is beneficial.

kayleevc/gui.py

         else:
             self.set_icon_inactive()
             self.statusicon.set_tooltip_text(self.idle_text)
-            self.emit('command', "continuous_stop")
+            self.emit('command', "stop")
 
     def toggle_listen(self, item):
         val = self.menu_listen.get_label()
             self.emit('command', "continuous_listen")
             self.set_icon_active()
         else:
-            self.emit('command', "continuous_stop")
+            self.emit('command', "stop")
             self.set_icon_inactive()
 
     def lsbutton_stopped(self):

kayleevc/kaylee.py

         if command == "listen":
             self.recognizer.listen()
         elif command == "stop":
+            self.continuous_listen = False
             self.recognizer.pause()
         elif command == "continuous_listen":
             self.continuous_listen = True
             self.recognizer.listen()
-        elif command == "continuous_stop":
-            self.continuous_listen = False
-            self.recognizer.pause()
         elif command == "quit":
             self.quit()