[TYPO3-core] FYI: Fixed bug #12728: Upgrade ExtJS skin to match t3skin

[Steffen Kamper]

Hi,

thanks Andreas. Committed to trunk, rev 6527.

One inconsistency i found, please look again:

Buttons (input type=submit) look different in ExtJS, they don't have a 
hover and they are bold

vg Steffen