Fixed OutputModule subclasses becoming abstract

packages/matplotlib/bases.py:
- MplFigureOutput: Set ModuleSettings without abstract flag

packages/vtk/base_module.py:
- vtkRendererOutput: Set ModuleSettings without abstract flag

vistrails/packages/matplotlib/bases.py

@@ -40,6 +40,7 @@
 from matplotlib.backend_bases import FigureCanvasBase
 
 from vistrails.core.modules.basic_modules import CodeRunnerMixin
+from vistrails.core.modules.config import ModuleSettings
 from vistrails.core.modules.output_modules import ImageFileMode, \
     ImageFileModeConfig, OutputModule
 from vistrails.core.modules.vistrails_module import Module, NotCacheable, ModuleError
@@ -168,6 +169,7 @@ def compute_output(self, output_module, configuration=None):
         canvas.draw()
 
 class MplFigureOutput(OutputModule):
+    _settings = ModuleSettings(configure_widget="vistrails.gui.modules.output_configuration:OutputModuleConfigurationWidget")
     _input_ports = [('value', 'MplFigure')]
     _output_modes = [MplFigureToFile]
 

vistrails/packages/vtk/base_module.py

@@ -315,6 +315,7 @@ def compute_output(self, output_module, configuration):
 
 class vtkRendererOutput(OutputModule):
     # DAK: no render view here, use a separate module for this...
+    _settings = ModuleSettings(configure_widget="vistrails.gui.modules.output_configuration:OutputModuleConfigurationWidget")
     _input_ports = [('value', 'vtkRenderer')]
                     # DK: these ports can be enabled, I think, just
                     # have to be laoded without the spreadsheet being
@@ -323,4 +324,3 @@ class vtkRendererOutput(OutputModule):
                     # ('interactorStyle', 'vtkInteractorStyle'), 
                     # ('picker', 'vtkAbstractPicker')]
     _output_modes = [vtkRendererToFile]
-    _settings = OutputModule._settings