Replaced forward declarations

include/osgAnimation/ActionVisitor

@@ -39,7 +39,7 @@ namespace osgAnimation
     {
     public:
         std::vector<FrameAction> _stackFrameAction;
-        std::vector<osg::ref_ptr<Timeline> > _stackTimeline;
+        std::vector<Timeline*> _stackTimeline;
 
         META_ActionVisitor(osgAnimation, ActionVisitor);
         void traverse(Action& visitor);

include/osgAnimation/Timeline

@@ -23,11 +23,10 @@
 #include <osgAnimation/Action>
 #include <osgAnimation/FrameAction>
 #include <osgAnimation/AnimationManagerBase>
+#include <osgAnimation/StatsVisitor>
 
 namespace osgAnimation
 {
-    class StatsActionVisitor;
-
     class OSGANIMATION_EXPORT Timeline : public Action //osg::Object
     {
     public:

include/osgDB/DatabaseRevisions

@@ -35,6 +35,8 @@ class OSGDB_EXPORT FileList : public osg::Object
         FileNames& getFileNames() { return _files; }
         const FileNames& getFileNames() const { return _files; }
 
+        bool empty() const { return _files.empty(); }
+
         bool containsFile(const std::string& filename) const { return _files.count(filename)!=0; }
 
         void addFile(const std::string& filename) { _files.insert(filename); }