readd VertexInfluence whenever it's bad named and kinda useless

include/osgAnimation/VertexInfluence

@@ -46,15 +46,26 @@ namespace osgAnimation
     typedef std::vector<BoneWeight> BoneWeightList;
     typedef std::vector<unsigned int> IndexList;
 
+    //Bone influence list
+    class OSGANIMATION_EXPORT VertexInfluence : public IndexWeightList
+    {
+    public:
+        const std::string& getName() const { return _name;}
+        void setName(const std::string& name) { _name = name;}
 
-    class VertexInfluenceMap : public std::map<std::string, IndexWeightList> , public osg::Object
+    protected:
+        // the name is the bone to link to
+        std::string _name;
+    };
+
+    class VertexInfluenceMap : public std::map<std::string, VertexInfluence> , public osg::Object
     {
     public:
         META_Object(osgAnimation, VertexInfluenceMap);
 
         VertexInfluenceMap() {}
         VertexInfluenceMap(const osgAnimation::VertexInfluenceMap& org, const osg::CopyOp& copyop):
-            std::map<std::string, IndexWeightList>(org),
+            std::map<std::string, VertexInfluence>(org),
             osg::Object(org, copyop)
         {}
         ///normalize per vertex weights given numvert of the attached mesh