Made sure the snarfer doesn't respond if there's no license key.

others/google.py

@@ -118,7 +118,7 @@ def getLicense(license_key = None):
     for get, location in _licenseLocations:
         rc = get(license_key)
         if rc: return rc
-    usage()
+    #usage()
     raise NoLicenseKey, 'get a license key at http://www.google.com/apis/'
 
 def setProxy(http_proxy):

plugins/Google.py

@@ -275,7 +275,10 @@ class Google(callbacks.PrivmsgCommandAndRegexp):
         if not self.snarfer:
             return
         searchString = match.group(1)
+        try:
             data = search(searchString, safeSearch=1)
+        except google.NoLicenseKey:
+            return
         if data.results:
             url = data.results[0].URL
             irc.reply(msg, url)

test/test_Google.py

@@ -33,6 +33,10 @@ from test import *
 
 class GoogleTestCase(PluginTestCase, PluginDocumentation):
     plugins = ('Google',)
+    def testNoNoLicenseKeyError(self):
+        self.irc.feedMsg(ircmsgs.privmsg(self.irc.nick, 'google blah'))
+        self.assertNoResponse(' ')
+        
     def testGroupsSnarfer(self):
         self.assertRegexp('http://groups.google.com/groups?dq=&hl=en&'
                           'lr=lang_en&ie=UTF-8&oe=UTF-8&selm=698f09f8.'