Add theme data for Katiola.

themes/katiola/README

themes/katiola/bottom-active.png

themes/katiola/bottom-active.xpm

themes/katiola/bottom-inactive.png

themes/katiola/bottom-inactive.xpm

themes/katiola/bottom-left-active.png

themes/katiola/bottom-left-active.xpm

themes/katiola/bottom-left-inactive.png

themes/katiola/bottom-left-inactive.xpm

themes/katiola/bottom-right-active.png

themes/katiola/bottom-right-active.xpm

themes/katiola/bottom-right-inactive.png

themes/katiola/bottom-right-inactive.xpm

themes/katiola/close-active.png

themes/katiola/close-active.xpm

themes/katiola/close-inactive.png

themes/katiola/close-inactive.xpm

themes/katiola/close-pressed.png

themes/katiola/close-pressed.xpm

themes/katiola/hide-active.png