[TYPO3-hci] Constants Editor Enhancements

[Jeff Segars]

Benjamin Mack wrote:
>  Hey guys,

>  ok. here's my proposal for the updating issue:

>  Let's make the page header fixed (like in alt_doc.php) so the Update
> button is always on top there. It is greyed out while nothing is
> changed, but get's active (and then "pops in the eye") once something
> has changed.

>  Plus... it's another page that looks streamlined for the new BE :)

>  Is that something?

Sounds good to me.  There's are several other Constant Editor fields
that could be placed in the top bar as well.  I'll take a first pass
at it and then see how we want to refine it.