[PATCH][PUSHED] GTK theming: implement frame rendering

[Caolán McNamara]

On Sat, 2012-06-02 at 16:12 +0400, Ruslan Kabatsayev wrote:
> Hello,
> 
> This patch implements frame rendering via GTK theme.
> This way we get rid of those ugly square black/gray frames we had all
> over the place and replace them with native frames.

Looks good to me, especially in tools->options. Pushed, thanks for this.

C.