Removed include <iostream> where possible, replacing with istream or ostream and changing

std::cout/cerr to osg::notify().

examples/osgconv/osgconv.cpp

@@ -39,12 +39,12 @@ public:
                 osg::Geometry* geom = geoset->convertToGeometry();
                 if (geom)
                 {
-                    std::cout<<"Successfully converted GeoSet to Geometry"<<std::endl;
+                    osg::notify(osg::NOTICE)<<"Successfully converted GeoSet to Geometry"<<std::endl;
                     geode.replaceDrawable(geoset,geom);
                 }
                 else
                 {
-                    std::cout<<"*** Failed to convert GeoSet to Geometry"<<std::endl;
+                    osg::notify(osg::NOTICE)<<"*** Failed to convert GeoSet to Geometry"<<std::endl;
                 }
 
             }

examples/osgpagedlod/osgpagedlod.cpp

@@ -13,6 +13,8 @@
 
 #include <osgUtil/Optimizer>
 
+#include <iostream>
+
 osg::Geode* createTile(const osg::Vec3& lb, const osg::Vec3& rb,
                        const osg::Vec3& lt, const osg::Vec3& rt,
                        const std::string& imageFile)

examples/osgunittests/osgunittests.cpp

@@ -4,6 +4,7 @@
 
 #include <osg/Matrix>
 
+#include <iostream>
 
 void testFrustum(double left,double right,double bottom,double top,double zNear,double zFar)
 {