hdf5doc

Description:
RM/RM_H5L.html
    H5Lget_val_by_idx 
        Correct function return type. 
            -- Closes Bugzilla #1083.
        Fix errors in 'index_type' and 'link_val' parameters.
        List valid values for 'order' and 'index_type' parameters.
RM/RM_H5L.html and RM/RM_H5O.html
    H5Lget_name_by_idx, H5Lget_val_by_idx, H5Ldelete_by_idx, H5Oopen_by_idx 
        Change n'th to nth.
            -- Closes Bugzilla #1097
Tested:  Firefox