Added support for vector and map containers in osgDB::Serailizer's and lua plugin.

include/osg/TransferFunction

@@ -104,6 +104,9 @@ class OSG_EXPORT TransferFunction1D : public osg::TransferFunction
 
         typedef std::map<float, osg::Vec4> ColorMap;
 
+        /** set the color map and automatically update the image to make sure they are in sync.*/
+        void setColorMap(const ColorMap& vcm) { assign(vcm); }
+
         /** Get the color map that stores the mapping between the the transfer function value and the colour it maps to.*/
         ColorMap& getColorMap() { return _colorMap; }