Changed the support for anisotropic filtering in osg::Texture so that it

is now controlled via the setMaxAnisotropy(float) method, and is set up
independently for the mag filter mode, which it previously was done.

src/osgUtil/Optimizer.cpp

@@ -21,8 +21,6 @@ using namespace osgUtil;
 
 void Optimizer::optimize(osg::Node* node, unsigned int options)
 {
-
-    return;
     
     if (options & COMBINE_ADJACENT_LODS)
     {