Modified the ParameterContainer documentation.

   bool setParameter( const String& name,

                      const String& value );

   /**

    * \brief Checks whether the parameter \e name is given the \e value.

    *

    * Returns \e true if the parameter \e name is given the \e value.

    * If the parameter does not have any value or has different value then the given

    * \e value the method returns \e false and shows message when \e verbose is \e true.

    *

    * @param name Name of parameter.

    * @param value Value of type T we want to check whether is assigned to the parameter.

    * @param verbose Boolean value defining whether to show error message (when true) or not (when false).

    */

   template< class T > bool getParameter( const String& name,

                                          T& value,

                                          bool verbose = true ) const