org-table.el: Use `user-error' instead of `error' for user errors

org-table.el: Use `user-error' instead of `error' for user errors

* org-table.el (org-table-convert-region, org-table-export)
(org-table-align, org-table-beginning-of-field)
(org-table-copy-down, org-table-check-inside-data-field)
(org-table-insert-column, org-table-find-dataline)
(org-table-delete-column, org-table-move-column)
(org-table-insert-row, org-table-insert-hline)
(org-table-kill-row, org-table-paste-rectangle)
(org-table-wrap-region, org-table-sum, org-table-get-formula)
(org-table-get-formula, org-table-get-stored-formulas)
(org-table-fix-formulas, org-table-maybe-eval-formula)
(org-table-rotate-recalc-marks, org-table-eval-formula)
(org-table-get-range, org-table-get-descriptor-line)
(org-table-find-row-type, org-table-recalculate)
(org-table-iterate, org-table-iterate-buffer-tables)
(org-table-formula-handle-first/last-rc)
(org-table-edit-formulas, org-table-fedit-shift-reference)
(org-rematch-and-replace, org-table-shift-refpart)
(org-table-fedit-finish, org-table-fedit-lisp-indent)
(org-table-show-reference, org-table-show-reference)
(org-table-show-reference, org-table-show-reference)
(org-table-force-dataline, orgtbl-error, orgtbl-export)
(orgtbl-send-replace-tbl, org-table-to-lisp)
(orgtbl-send-table, orgtbl-send-table, orgtbl-send-table)
(orgtbl-toggle-comment, orgtbl-insert-radio-table)
(orgtbl-to-unicode, org-table-get-remote-range)
(org-table-get-remote-range, org-table-copy-dow)
(org-table-check-inside-data-field, org-table-insert-colum)
(org-table-find-dataline, org-table-delete-colum)
(org-table-move-column, org-table-insert-ro)
(org-table-insert-hline, org-table-kill-ro)
(org-table-paste-rectangle, org-table-wrap-regio)
(org-table-sum, org-table-get-formul)
(org-table-get-stored-formulas, org-table-fix-formula)
(org-table-maybe-eval-formul, org-table-rotate-recalc-marks)
(org-table-eval-formul, org-table-get-range)
(org-table-get-descriptor-lin, org-table-find-row-type)
(org-table-recalculat, org-table-iterate)
(org-table-iterate-buffer-table)
(org-table-formula-handle-first/last-r)
(org-table-edit-formulas, org-table-fedit-shift-referenc)
(org-rematch-and-replace, org-table-shift-refpar)
(org-table-fedit-finish, org-table-fedit-lisp-inden)
(org-table-show-reference, org-table-force-datalin)
(orgtbl-error, orgtbl-export, orgtbl-send-replace-tb)
(org-table-to-lisp, orgtbl-send-tabl, orgtbl-toggle-comment)
(orgtbl-insert-radio-tabl, orgtbl-to-unicode)
(org-table-get-remote-range): Use `user-error' instead of
`error' for user errors.