reference to non-existing image in .ui-widget-header class

[nieuwenhoven]

large_blue_gradient.png doesn;t exist

.ui-widget-header { border: 1px solid #8ab0c6; background: #83b0ca url(images/large_blue_gradient.png) 50% 50% repeat-x; color: #ffffff; font-weight: bold; }

[Tait Brown]

This was a leftover from some merging and dev stuff, fixed in the latest commit.

[Haso Keric]

this has been fixed