Polyester 1.0_rc1: the end draws near

Graphics

New release of Polyester KDE theme available for download!
The default look is changed a little bit, I think for the last time. Many bugs have been squashed and the configuration dialogs are way more prettier and hopefully more usable.
As the name rc1 suggests, it should be considered almost final, the only differences from a future 1.0 will be only bugfixes.

The obligatory changelog:
widget:
-less (and bigger) dots on QSplitters
-button like menuitems works with transparent menus
-menu stripe works with transparent menus
-entirely redesigned the configuration dialog (should be more usable)
-a lot of code cleanups in the configuration code
-light gradient in the progressbar blank area
-corrected an ugly rendering bug in the QGridView headers
-corrected a rendering bug in the slider with reverse layout
-minor cosmetic changes to the following widgets:
-scrollbars
-sliders
-default buttons contour
-spinboxes
-inactive tabs
-better mouse over highlight with checkboxes and radiobuttons
-border of buttons and other 3d widgets

deco:
-option to make rectangular titlebar buttons (at the moment is the default)
-antialiased titlebar buttons border
-redesigned the configuration dialog to be similar to the style configuration
-added svg sources of the titlebar buttons icons so it’s easier to make modifications
-some code cleanups
-drawing of titlebar buttons follows the global contrast settings