Fixed FileName documentation.

void removeFileExtension( String& file_name );

/// \brief Class for creating the full name of a file.

///

/// Merges base name, index number and extention to create the full name of a file.

class FileName

{

   public:

      /// \brief Sets the extension of given file.

      ///

      /// Sets \e extension as suffix of a file name.

      /// @param extension String that specifies extension of file (without dot).

      /// @param extension A String that specifies extension of file (without dot).

      /// Suffix of a file name. E.g. doc, xls, tnl.

      void setExtension( const String& extension );

      template< typename Coordinates >

      void setDistributedSystemNodeId( const Coordinates& nodeId );

      /// Creates appropriate name for given file.

      /// \brief Creates appropriate name for given file.

      ///

      /// Creates particular file name using \e fileNameBase, \e digitsCount,

      /// \e index and \e extension.