Update h1 title of history page...ATM, we don't show the name of the phenotype whose history we are
changing. That may be updated in a future commit.
* wqflask/wqflask/templates/edit_history.html: Reword h1 and remove
"{{}}" which results in a jinja error.
Pass trait values (X) as list not string...The trait values (X values) are converted to JSON within the
`run_correlation` call. Since JSON has the ability to represent lists
of objects, there is no point for the added conversion to and from
strings.
