added resource profiling to user docs, example not working

close #1526

Author: oesteban

doc/users/sphinx_ext.rst

@@ -10,6 +10,5 @@ with a set of extensions (currently only one) to customize the appearance
 and simplify the generation process.
 
 .. automodule:: nipype.sphinxext.plot_workflow
-    :members:
     :undoc-members:
-    :show-inheritance:
+    :noindex:

nipype/sphinxext/plot_workflow.py

@@ -3,8 +3,6 @@
 # emacs: -*- mode: python; py-indent-offset: 4; indent-tabs-mode: nil -*-
 # vi: set ft=python sts=4 ts=4 sw=4 et:
 """
-
-
 :mod:`nipype.sphinxext.plot_workflow` -- Workflow plotting extension
 ====================================================================
 
@@ -64,6 +62,7 @@
 
 Configuration options
 ---------------------
+
 The workflow directive has the following configuration options:
     graph2use
         Select a graph type to use