Do not double escape search patterns.

see #622

modoboa/extensions/amavis/lib.py

@@ -189,7 +189,10 @@ class QuarantineNavigationParameters(NavigationParameters):
             request, 'quarantine_navparams'
         )
         self.parameters += [
-            ('msgtype', None, False), ('viewrequests', None, False)
+            ('pattern', '', False),
+            ('criteria', 'from_addr', False),
+            ('msgtype', None, False),
+            ('viewrequests', None, False)
         ]
 
     def back_to_listing(self):

modoboa/extensions/amavis/sql_connector.py

@@ -100,7 +100,6 @@ class SQLconnector(object):
                 criteria = "from_addr,subject,to"
             search_flt = None
             for crit in criteria.split(","):
-                print crit
                 if crit == "from_addr":
                     nfilter = Q(mail__from_addr__contains=pattern)
                 elif crit == "subject":