Add the deprecation version

Kernel_23/doc_tex/Kernel_23_ref/Kernel_Assign_2.tex

@@ -1,6 +1,6 @@
 \begin{ccRefFunctionObjectConcept}{Kernel::Assign_2}
 \begin{ccDeprecated}
-{\em Note} : this concept is deprecated since CGAL VERSION HERE and type safe ways should be preferred. 
+{\em Note} : this concept is deprecated since 4.2 and type safe ways should be preferred. 
 
 A model for this must provide:
 \ccCreationVariable{fo}

Kernel_23/doc_tex/Kernel_23_ref/Kernel_Assign_3.tex

@@ -1,6 +1,6 @@
 \begin{ccRefFunctionObjectConcept}{Kernel::Assign_3}
 \begin{ccDeprecated}
-{\em Note} : this concept is deprecated since CGAL VERSION HERE and type safe ways should be preferred. 
+{\em Note} : this concept is deprecated since 4.2 and type safe ways should be preferred. 
 
 A model for this must provide:
 

Kernel_23/doc_tex/Kernel_23_ref/Kernel_ConstructObject_2.tex

@@ -1,6 +1,6 @@
 \begin{ccRefFunctionObjectConcept}{Kernel::ConstructObject_2}
 \begin{ccDeprecated}
-{\em Note} : this concept is deprecated since CGAL VERSION HERE and type safe ways should be preferred. 
+{\em Note} : this concept is deprecated since 4.2 and type safe ways should be preferred. 
 
 A model for this must provide:
 

Kernel_23/doc_tex/Kernel_23_ref/Kernel_ConstructObject_3.tex

@@ -1,6 +1,6 @@
 \begin{ccRefFunctionObjectConcept}{Kernel::ConstructObject_3}
 \begin{ccDeprecated}
-{\em Note} : this concept is deprecated since CGAL VERSION HERE and type safe ways should be preferred. 
+{\em Note} : this concept is deprecated since 4.2 and type safe ways should be preferred. 
 
 A model for this must provide:
 

Kernel_23/doc_tex/Kernel_23_ref/Kernel_Object_2.tex

@@ -1,6 +1,6 @@
 \begin{ccRefConcept}{Kernel::Object_2}
 \begin{ccDeprecated}
-{\em Note} : this concept is deprecated since CGAL VERSION HERE and type safe ways should be preferred. 
+{\em Note} : this concept is deprecated since 4.2 and type safe ways should be preferred. 
 
 A type representing different types of objects in two dimensions.
 

Kernel_23/doc_tex/Kernel_23_ref/Kernel_Object_3.tex

@@ -1,6 +1,6 @@
 \begin{ccRefConcept}{Kernel::Object_3}
 \begin{ccDeprecated}
-{\em Note} : this concept is deprecated since CGAL VERSION HERE and type safe ways should be preferred. 
+{\em Note} : this concept is deprecated since 4.2 and type safe ways should be preferred. 
 
 A type representing different types of objects in three dimensions.