0024710: Avoid including Handle_Class.hxx headers except where necessary

Includes of Handle*.hxx headers replaced by include of corresponding class (where possible without redesign of the classes).

Minor correction against compiler warning (vc10 64-bit) in BOPAlgo

Remove double header inclusions

Correction of minor mistake

src/Standard/Handle_Standard_Persistent.cxx

@@ -12,7 +12,7 @@
 // Alternatively, this file may be used under the terms of Open CASCADE
 // commercial license or contractual agreement.
 
-#include <Handle_Standard_Persistent.hxx>
+#include <Standard_Persistent.hxx>
 
 
 

src/Standard/Handle_Standard_Transient.cxx

@@ -12,7 +12,7 @@
 // Alternatively, this file may be used under the terms of Open CASCADE
 // commercial license or contractual agreement.
 
-#include <Handle_Standard_Transient.hxx>
+#include <Standard_Transient.hxx>
 #include <Standard_Atomic.hxx>
 
 //============================================================================

src/Standard/Standard_Persistent.cxx

@@ -12,7 +12,6 @@
 // Alternatively, this file may be used under the terms of Open CASCADE
 // commercial license or contractual agreement.
 
-#include <Handle_Standard_Persistent.hxx>
 #include <Standard_Persistent.hxx>
 
 #include <Standard_Failure.hxx>

src/Standard/Standard_Persistent_proto.hxx

@@ -28,7 +28,6 @@
 #include <Standard.hxx>
 #endif
 
-class Handle_Standard_Persistent;
 class Standard_Type;
 class Handle_Standard_Type;
 class Standard_Type;