0030895: Coding Rules - specify std namespace explicitly for std::cout and streams

"endl" manipulator for Message_Messenger is renamed to "Message_EndLine".

The following entities from std namespace are now used
with std:: explicitly specified (from Standard_Stream.hxx):
std::istream,std::ostream,std::ofstream,std::ifstream,std::fstream,
std::filebuf,std::streambuf,std::streampos,std::ios,std::cout,std::cerr,
std::cin,std::endl,std::ends,std::flush,std::setw,std::setprecision,
std::hex,std::dec.

src/TObj/TObj_Persistence.cxx

@@ -77,6 +77,6 @@ void TObj_Persistence::DumpTypes (Standard_OStream &theOs)
   TObj_DataMapOfStringPointer::Iterator it ( getMapOfTypes() );
   for ( ; it.More(); it.Next() )
   {
-    theOs << it.Key() << endl;
+    theOs << it.Key() << std::endl;
   }
 }