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In step1, user changes some inputs, then clicks next step to step2.  Then, back to step1, user's inputs will lose. fix it.

* add Ellipsis

* remove title of span

* update scaffold example

* remove dump code

* maxHeight -> lines

* update Ellipsis for all case

* remove dump code

* use bisection to imporve performance

* sumbit(submit) typo

change styles.sumbitButtons to styles.submitButtons

* Update TableList.less

close #34