Please add oblogout to portage. OBLogout is a expandable, configurable, and theme-able logout script designed to be used in a Openbox desktop environment. https://launchpad.net/oblogout
I created ebuild for 0.2, starting from arch PKGBUILD (https://git.archlinux.org/svntogit/community.git/tree/trunk?h=packages/oblogout)
Created attachment 445062 [details] oblogout files
Created attachment 446716 [details] oblogout-0.2-r1 files