Added default constructor implemention to LOD and PagedLOD.

Added verbose messages to DatabasePager.

include/osg/LOD

@@ -36,7 +36,7 @@ class SG_EXPORT LOD : public Group
 {
     public :
     
-        LOD() {}
+        LOD();
 
         /** Copy constructor using CopyOp to manage deep vs shallow copy.*/
         LOD(const LOD&,const CopyOp& copyop=CopyOp::SHALLOW_COPY);

include/osg/PagedLOD

@@ -24,7 +24,7 @@ class SG_EXPORT PagedLOD : public LOD
 {
     public :
     
-        PagedLOD() {}
+        PagedLOD();
 
         /** Copy constructor using CopyOp to manage deep vs shallow copy.*/
         PagedLOD(const PagedLOD&,const CopyOp& copyop=CopyOp::SHALLOW_COPY);

include/osgProducer/DatabasePager

@@ -45,7 +45,7 @@ class OSGPRODUCER_EXPORT DatabasePager : public osg::NodeVisitor::DatabaseReques
         
 
         /** Add the loaded data to the scene graph.*/
-        void addLoadedDataToSceneGraph();
+        void addLoadedDataToSceneGraph(double timeStamp);
 
 
         /** Find all PagedLOD nodes in a subgraph and register them with