Checked in Macro Jez's additions to osgText to support .osg IO make it

a fully functioning NodeKit.

Also reimplement notify() to try an prevent a crash which has been caused by
to objects in notify.cpp being initiliazed twice, the second time the auto_ptr
holding the dev/null ofstream was being initilized to 0.

include/osgText/Paragraph

@@ -36,7 +36,7 @@ class OSGTEXT_EXPORT Paragraph : public osg::Geode
         const osg::Vec3& getPosition() const { return _position; }
         
         void setAlignment(int alignment);
-        int getAlignment() { return _alignment; }
+        int getAlignment() const { return _alignment; }
 
         float getHeight() const;