functionObjectList: Rationalized and simplified the handling of disabled functionObjects

Simplified and generalized the handling of functionObjects which fail to
construct by removing them from the list rather than maintaining an
"enabled" switch in each functionObject.

src/OpenFOAM/db/functionObjects/functionObjectList/functionObjectList.H

@@ -138,7 +138,7 @@ public:
 
 
     //- Destructor
-    virtual ~functionObjectList();
+    ~functionObjectList();
 
 
     // Member Functions
@@ -153,46 +153,45 @@ public:
         using PtrList<functionObject>::operator[];
 
         //- Clear the list of function objects
-        virtual void clear();
+        void clear();
 
         //- Find the ID of a given function object by name
-        virtual label findObjectID(const word& name) const;
+        label findObjectID(const word& name) const;
 
         //- Switch the function objects on
-        virtual void on();
+        void on();
 
         //- Switch the function objects off
-        virtual void off();
+        void off();
 
         //- Return the execution status (on/off) of the function objects
-        virtual bool status() const;
-
+        bool status() const;
 
         //- Called at the start of the time-loop
-        virtual bool start();
+        bool start();
 
         //- Called at each ++ or += of the time-loop. forceWrite overrides
         //  the usual outputControl behaviour and forces writing always
-        //  (used in postprocessing mode)
-        virtual bool execute(const bool forceWrite = false);
+        //  (used in post-processing mode)
+        bool execute(const bool forceWrite = false);
 
         //- Called when Time::run() determines that the time-loop exits
-        virtual bool end();
+        bool end();
 
         //- Called when time was set at the end of the Time::operator++
-        virtual bool timeSet();
+        bool timeSet();
 
         //- Called at the end of Time::adjustDeltaT() if adjustTime is true
-        virtual bool adjustTimeStep();
+        bool adjustTimeStep();
 
         //- Read and set the function objects if their data have changed
-        virtual bool read();
+        bool read();
 
         //- Update for changes of mesh
-        virtual void updateMesh(const mapPolyMesh& mpm);
+        void updateMesh(const mapPolyMesh& mpm);
 
         //- Update for changes of mesh
-        virtual void movePoints(const polyMesh& mesh);
+        void movePoints(const polyMesh& mesh);
 };