Refs #4814. Set the category.

DetectorDiagnostics is now a Workflow/Diagnostics algorithm and all
of its children are Diagnostics algorithms.

Code/Mantid/Framework/Algorithms/inc/MantidAlgorithms/CreatePSDBleedMask.h

@@ -51,6 +51,7 @@ namespace Mantid
       CreatePSDBleedMask();
       /// Algorithm's name for identification overriding a virtual method
       virtual const std::string name() const { return "CreatePSDBleedMask";}
+      virtual const std::string category() const;
 
     private:
       /// Sets documentation strings for this algorithm

Code/Mantid/Framework/Algorithms/inc/MantidAlgorithms/DetectorEfficiencyVariation.h

@@ -59,6 +59,7 @@ namespace Mantid
       virtual ~DetectorEfficiencyVariation() {};
       /// Algorithm's name for identification overriding a virtual method
       virtual const std::string name() const { return "DetectorEfficiencyVariation";}
+      virtual const std::string category() const;
       /// Algorithm's version for identification overriding a virtual method
       virtual int version() const { return (1);}
 

Code/Mantid/Framework/Algorithms/inc/MantidAlgorithms/FindDetectorsOutsideLimits.h

@@ -67,6 +67,7 @@ namespace Mantid
       virtual ~FindDetectorsOutsideLimits() {}
       /// Algorithm's name for identification overriding a virtual method
       virtual const std::string name() const { return "FindDetectorsOutsideLimits";}
+      virtual const std::string category() const;
       /// Algorithm's version for identification overriding a virtual method
       virtual int version() const { return (1);}
 

Code/Mantid/Framework/Algorithms/inc/MantidAlgorithms/MedianDetectorTest.h

@@ -68,6 +68,7 @@ namespace Mantid
       virtual ~MedianDetectorTest() {};
       /// Algorithm's name for identification overriding a virtual method
       virtual const std::string name() const { return "MedianDetectorTest";}
+      virtual const std::string category() const;
       /// Algorithm's version for identification overriding a virtual method
       virtual int version() const { return 1;}
 

Code/Mantid/Framework/Algorithms/src/CreatePSDBleedMask.cpp

@@ -39,6 +39,10 @@ namespace Mantid
       this->setOptionalMessage("Runs a diagnostic test for saturation of PSD tubes and creates a MaskWorkspace marking the failed tube spectra.");
     }
 
+    const std::string CreatePSDBleedMask::category() const
+    {
+      return "Diagnostics";
+    }
 
     using API::MatrixWorkspace_sptr;
     using API::MatrixWorkspace_const_sptr;

Code/Mantid/Framework/Algorithms/src/DetectorDiagnostic.cpp

@@ -34,7 +34,7 @@ namespace Mantid
     //--------------------------------------------------------------------------
     const std::string DetectorDiagnostic::category() const
     {
-      return "Diagnostics";
+      return "Diagnostics;Workflow\\Diagnostics";
     }
 
     const std::string DetectorDiagnostic::name() const

Code/Mantid/Framework/Algorithms/src/DetectorEfficiencyVariation.cpp

@@ -38,7 +38,11 @@ namespace Mantid
       this->setWikiSummary("Compares two white beam vanadium workspaces from the same instrument to find detectors whose efficiencies have changed beyond a threshold. ");
       this->setOptionalMessage("Compares two white beam vanadium workspaces from the same instrument to find detectors whose efficiencies have changed beyond a threshold.");
     }
-
+
+    const std::string DetectorEfficiencyVariation::category() const
+    {
+      return "Diagnostics";
+    }
 
     using namespace Kernel;
     using namespace API;

Code/Mantid/Framework/Algorithms/src/FindDetectorsOutsideLimits.cpp

@@ -35,7 +35,11 @@ namespace Mantid
       this->setOptionalMessage("Identifies histograms and their detectors that have total numbers of counts over a user defined maximum or less than the user define minimum.");
     }
 
-
+    const std::string FindDetectorsOutsideLimits::category() const
+    {
+      return "Diagnostics";
+    }
+
     using namespace Kernel;
     using namespace API;
     using namespace DataObjects;

Code/Mantid/Framework/Algorithms/src/MedianDetectorTest.cpp

@@ -38,6 +38,11 @@ namespace Mantid
     {
     };
 
+    const std::string MedianDetectorTest::category() const
+    {
+      return "Diagnostics";
+    }
+
     /// Declare algorithm properties
     void MedianDetectorTest::init()
     {