Checkpointing work. Refs #7336.

Expanded AlignAndFocusPowder to reduce low resolution data in addition.

Code/Mantid/Framework/WorkflowAlgorithms/inc/MantidWorkflowAlgorithms/AlignAndFocusPowder.h

@@ -108,7 +108,7 @@ namespace Mantid
       API::MatrixWorkspace_sptr m_lowResW;
       /// Low resolution TOF event workspace
       DataObjects::EventWorkspace_sptr m_lowResEW;
-      /// Process low resolution workspace
+      /// Flag to process low resolution workspace
       bool m_processLowResTOF;
 
     };

Code/Mantid/Framework/WorkflowAlgorithms/src/AlignAndFocusPowder.cpp

@@ -502,6 +502,9 @@ void AlignAndFocusPowder::exec()
 
   if (l1 > 0)
   {
+    // Edit instrument
+    throw std::runtime_error("Need to polish this part.");
+
     g_log.information() << "running EditInstrumentGeometry\n";
     API::IAlgorithm_sptr editAlg = createChildAlgorithm("EditInstrumentGeometry");
     editAlg->setProperty("Workspace", m_outputW);