iFit/permute

 Permute the order of the display axes. Syntax the same as the matlab array permute function

 Syntax:
   >> wout = permute (win, order)

   >> wout = permute (win)         % increase axis indices by one (& last index=1)

 Input:
 ------
   win             Input object.

   order           Order of axes: a row vector with length equal to the dimension of
                  the dataset. The display axes are rearranged into the order specified
                  by the the elements this argument.
                   If the argument is omitted, then the axes are cycled by one i.e.
                  i.e. is equivalent to order = [2,3..ndim,1]


 Output:
 -------
   wout            Output object.


 Example: if input object is 3D
   >> wout = permute (win, [3,1,2]) % the current 3rd, 1st and 2nd dispaly axes 
                                    % become the 1st, 2nd and 3rd of the output object

   >> wout = permute (win)          % equivalent to permute(win,[2,3,1])