CONFIG: incorrect BC code templates (fixes #1885)

- autoPtr to Function requires clone() method, not optional copy/move
  argument.

- fix bad character range for 'sed'

etc/codeTemplates/source/_Template.H

@@ -45,11 +45,11 @@ SourceFiles
 namespace Foam
 {
 
-// Forward declarations
+// Forward Declarations
 class Istream;
 class Ostream;
-
 class CLASSNAME;
+
 Istream& operator>>(Istream&, CLASSNAME&);
 Ostream& operator<<(Ostream&, const CLASSNAME&);
 
@@ -87,7 +87,7 @@ public:
 
     // Generated Methods
 
-//        //- Construct null
+//        //- Default construct
 //        CLASSNAME() = default;
 //
 //        //- Copy construct
@@ -99,22 +99,22 @@ public:
 
     // Constructors
 
-        //- Construct null
+        //- Default construct
         CLASSNAME();
 
         //- Construct from components
         CLASSNAME(const dataType& data);
 
-        //- Construct from Istream
-        CLASSNAME(Istream& is);
-
-        //- Construct as copy
+        //- Copy construct
         CLASSNAME(const CLASSNAME&);
 
+        //- Construct from Istream
+        explicit CLASSNAME(Istream& is);
+
 
     // Selectors
 
-        //- Select null constructed
+        //- Select default constructed
         static autoPtr<CLASSNAME> New();
 
 

etc/codeTemplates/source/_TemplateI.H

@@ -25,7 +25,6 @@ License
 
 \*---------------------------------------------------------------------------*/
 
-// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
 // * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //