Fixed little issues.

see #197

extensions/amavis_quarantine/cleanup.py

@@ -5,7 +5,7 @@ import time
 from modoboa.extensions.amavis_quarantine.models import *
 
 if __name__ == "__main__":
-    from modoboa.extensions.amavis_quarantine import main
+    from modoboa.extensions import amavis_quarantine
     from modoboa.lib import parameters
     from optparse import OptionParser
 
@@ -20,7 +20,7 @@ if __name__ == "__main__":
         l.setLevel(logging.DEBUG)
         l.addHandler(logging.StreamHandler())
 
-    main.load()
+    amavis_quarantine.load()
 
     max_messages_age = int(parameters.get_admin("MAX_MESSAGES_AGE",
                                                 app="amavis_quarantine"))

extensions/stats/scripts/logparser.py

@@ -257,9 +257,9 @@ class LogParser(object):
             G.make_defaults(dom, tpl=grapher.size_avg_template)
 
 if __name__ == "__main__":
-    from modoboa.extensions.stats import main
+    from modoboa.extensions import stats
 
-    main.load()
+    stats.load()
 
     log_file = parameters.get_admin("LOGFILE", app="stats")
     rrd_rootdir = parameters.get_admin("RRD_ROOTDIR", app="stats")