remove superfluous includes of iostream, use iosfwd instead

src/Base/BoundBox.h

@@ -28,7 +28,6 @@
 #include "Matrix.h"
 #include "ViewProj.h"
 #include "Tools2D.h"
-#include <iostream>
 #include <limits>
 
 namespace Base {
@@ -985,29 +984,10 @@ inline void BoundBox3<_Precision>::ScaleZ (_Precision f)
     MinZ *= f; MaxZ *= f;
 }
 
-template <class _Precision>
-inline void BoundBox3<_Precision>::Print (std::ostream& out) const
-{
-    out << "X1 : " << MinX << "   Y1 : " << MinY << "   Z1 : " << MinZ << std::endl;
-    out << "X2 : " << MaxX << "   Y2 : " << MaxY << "   Z2 : " << MaxZ << std::endl;
-}
-
 typedef BoundBox3<float> BoundBox3f;
 typedef BoundBox3<double> BoundBox3d;
 
 } // namespace Base
 
-inline std::ostream& operator << (std::ostream& out, const Base::BoundBox3f& bb)
-{
-    bb.Print(out);
-    return out;
-}
-
-inline std::ostream& operator << (std::ostream& out, const Base::BoundBox3d& bb)
-{
-    bb.Print(out);
-    return out;
-}
-
 #endif  // BASE_BOUNDBOX_H
 

src/Base/InputSource.h

@@ -24,7 +24,7 @@
 #define BASE_IINPUTSOURCE_H
 
 
-#include <iostream>
+#include <iosfwd>
 
 #include <xercesc/sax2/Attributes.hpp>
 #include <xercesc/util/BinInputStream.hpp>

src/Base/PyObjectBase.h

@@ -46,7 +46,6 @@
 #undef isalnum
 #endif
 #define slots
-#include <iostream>
 #include <bitset>
 
 #include <typeinfo>

src/Mod/Cam/App/ChangeDyna.h

@@ -24,7 +24,7 @@
 #ifndef CHANGEDYNA_H
 #define CHANGEDYNA_H
 
-#include <iostream>
+#include <iosfwd>
 #include <string>
 #include <vector>
 

src/Mod/Mesh/App/Core/Info.cpp

@@ -25,7 +25,7 @@
 
 #ifndef _PreComp_
 # include <iomanip>
-# include <ios>
+# include <iostream>
 # include <map>
 # include <set>
 #endif

src/Mod/Mesh/App/Core/MeshKernel.h

@@ -25,7 +25,7 @@
 #define MESH_KERNEL_H
 
 #include <assert.h>
-#include <iostream>
+#include <iosfwd>
 
 #include "Elements.h"
 #include "Helpers.h"

src/Mod/Part/App/TopoShape.h

@@ -24,7 +24,7 @@
 #ifndef PART_TOPOSHAPE_H
 #define PART_TOPOSHAPE_H
 
-#include <iostream>
+#include <iosfwd>
 #include <TopoDS_Compound.hxx>
 #include <TopoDS_Wire.hxx>
 #include <TopTools_ListOfShape.hxx>

src/Mod/TechDraw/App/EdgeWalker.h

@@ -29,8 +29,6 @@
 #define TECHDRAW_EDGEWALKER_H
 
 #include <vector>
-#include <iostream>
-
 #include <boost/graph/adjacency_list.hpp>
 #include <boost/graph/properties.hpp>
 #include <boost/graph/graph_traits.hpp>
@@ -94,7 +92,7 @@ public:
 
     std::vector<WalkerEdge>  wedges;      //[WE] representing 1 wire
     void push_back(WalkerEdge w);
-    void clear() {wedges.clear();};
+    void clear() {wedges.clear();}
     int size(void);
 };
 

src/Mod/TechDraw/App/HatchLine.h

@@ -25,9 +25,6 @@
 #ifndef _TechDraw_HATCHLINE_H_
 #define _TechDraw_HATCHLINE_H_
 
-#include <iostream>
-#include <sstream>
-#include <fstream>
 #include <vector>
 #include <string>
 

src/Mod/TechDraw/App/LineGroup.h

@@ -25,9 +25,6 @@
 #ifndef _TechDraw_LINEGROUP_H_
 #define _TechDraw_LINEGROUP_H_
 
-#include <iostream>
-#include <sstream>
-#include <fstream>
 #include <string>
 
 namespace TechDraw