Cleaning up build a little more and dox.

CMakeLists.txt

 	include(${VTK_USE_FILE}) 
 	add_compile_options(-DLEMMAUSEVTK) 
 	# Compile Matplot_vtk if VTK is present
-	#add_subdirectory(Matplot_vtk)	
+	add_subdirectory(Matplot_vtk)	
 	include_directories ("${PROJECT_SOURCE_DIR}/Matplot_vtk")
 endif()
 
 	include(${VTK_USE_FILE}) 
 	add_compile_options(-DLEMMAUSEVTK) 
 	# Compile Matplot_vtk if VTK is present
-	#add_subdirectory(Matplot_vtk)	
+	add_subdirectory(Matplot_vtk)	
 	include_directories ("${PROJECT_SOURCE_DIR}/Matplot_vtk")
 endif()
 

Modules/FDEM1D/include/LayeredEarthEM.h

 
     // =======================================================================
     //        Class:  LayeredEarthEM
+    /// \ingroup FDEM1D
     /// \brief  1D layered earth. Attributes include all aspects of
     /// Cole-Cole model.
     /// \details   Primarily used for EM calculations.