[core/module] Add config to module

Add access for all modules to the commandline parameters (called
"config" in bumblebee-status)

tests/core/test_output.py

@@ -12,7 +12,7 @@ class i3(unittest.TestCase):
         self.i3 = core.output.i3()
         widget = unittest.mock.MagicMock()
         widget.full_text.return_value = "test"
-        self.someModule = TestModule([widget, widget, widget])
+        self.someModule = TestModule(widgets=[widget, widget, widget])
 
     def tearDown(self):
         pass