do some ircbot prospector cleanup

bss/dr.botzo#17

ircbot/ircplugins/__init__.py

@@ -0,0 +1 @@
+"""Some basic-level IRC plugins."""

ircbot/ircplugins/echo.py

@@ -1,18 +1,17 @@
+"""Echo given string back to the user/channel."""
+
 import logging
 
-from ircbot.lib import Plugin, reply_destination_for_event
-
+from ircbot.lib import Plugin
 
 log = logging.getLogger('ircbot.lib')
 
 
 class Echo(Plugin):
-
     """Have IRC commands to do IRC things (join channels, quit, etc.)."""
 
     def start(self):
         """Set up the handlers."""
-
         self.connection.reactor.add_global_regex_handler(['pubmsg', 'privmsg'], r'^!echo\s+(.*)$',
                                                          self.handle_echo, -20)
 
@@ -20,14 +19,12 @@ class Echo(Plugin):
 
     def stop(self):
         """Tear down handlers."""
-
         self.connection.reactor.remove_global_regex_handler(['pubmsg', 'privmsg'], self.handle_echo)
 
         super(Echo, self).stop()
 
     def handle_echo(self, connection, event, match):
         """Handle the echo command... by echoing."""
-
         return self.bot.reply(event, match.group(1))