Delay loading modules and objects until gettext is loaded

This was resulting in strings not getting translated, especially when
the calls to gettext came at the lowest indent level of the module.

zenmap/zenmapCore/UmitLogging.py

@@ -124,12 +124,13 @@
 from logging import Logger, StreamHandler, Formatter
 from zenmapCore.Name import APP_DISPLAY_NAME
 from zenmapCore.UmitOptionParser import option_parser
-
-LOGLEVEL = option_parser.get_verbose()
+from zenmapCore.DelayedObject import DelayedObject
 
 
 class Log(Logger, object):
     def __init__(self, name, level=0):
+        if level == 0:
+            level = option_parser.get_verbose()
         Logger.__init__(self, name, level)
         self.formatter = self.format
 
@@ -151,7 +152,7 @@ class Log(Logger, object):
 
 
 # Import this!
-log = Log(APP_DISPLAY_NAME, LOGLEVEL)
+log = DelayedObject(Log, APP_DISPLAY_NAME)
 
 if __name__ == '__main__':
     log.debug("Debug Message")