added web console docstring pointing to documentation, improved telnet console docstring

scrapy/management/telnet.py

@@ -1,7 +1,7 @@
 """
-Telnet Console extension 
+Scrapy Telnet Console extension
 
-See documentation in docs/ref/telnetconsole.rst
+See documentation in docs/topics/telnetconsole.rst
 """
 
 import pprint

scrapy/management/web.py

@@ -1,8 +1,13 @@
+"""
+Scrapy Web Console extension
+
+See docs/topics/webconsole.rst
+"""
+
 import re
 import socket
 from datetime import datetime
 
-from twisted.internet import reactor
 from twisted.web import server, resource
 from pydispatch import dispatcher