Heretic fix flashing bars and buttons

indra/newview/skins/heretic/colors.xml

...wview/skins/heretic/textures/containers/Accordion_Off.png

.../skins/heretic/textures/containers/Accordion_Selected.png

...ew/skins/heretic/textures/containers/Toolbar_Left_Off.png

...w/skins/heretic/textures/containers/Toolbar_Left_Over.png

...ins/heretic/textures/containers/Toolbar_Left_Selected.png

.../skins/heretic/textures/containers/Toolbar_Middle_Off.png

...skins/heretic/textures/containers/Toolbar_Middle_Over.png

...s/heretic/textures/containers/Toolbar_Middle_Selected.png

...w/skins/heretic/textures/containers/Toolbar_Right_Off.png

.../skins/heretic/textures/containers/Toolbar_Right_Over.png

...ns/heretic/textures/containers/Toolbar_Right_Selected.png