From Cedric Pinson, remove unsused method in Bone class\nadd namespace osgAnimation for Timeline constructors\nadd OSGANIMATION_EXPORT on VertexInfluence and Timeline class

include/osgAnimation/Bone

@@ -223,8 +223,6 @@ namespace osgAnimation
         inline bool needToComputeBindMatrix() { return _needToRecomputeBindMatrix;}
         virtual void computeBindMatrix();
 
-        bool needLink() const;
-
         void setNeedToComputeBindMatrix(bool state) { _needToRecomputeBindMatrix = state; }
 
         /** Add Node to Group.

include/osgAnimation/Timeline

@@ -162,7 +162,7 @@ namespace osgAnimation
     };
 
 
-    class Timeline : public osg::Object
+    class OSGANIMATION_EXPORT Timeline : public osg::Object
     {
     public:
 

include/osgAnimation/VertexInfluence

@@ -52,7 +52,7 @@ namespace osgAnimation
 
     // this class manage VertexInfluence database by mesh
     // reference bones per vertex ...
-    class VertexInfluenceSet
+    class OSGANIMATION_EXPORT VertexInfluenceSet
     {
     public:
         typedef std::vector<VertexInfluence> BoneToVertexList;