adding CSRF token to logout in nav
adding CSRF token to logout in nav

Currently unused, but will need if we re-add it.

radremedy/radremedy,radioprotector/radremedy,radremedy/radremedy,radremedy/radremedy,radioprotector/radremedy,AllieDeford/radremedy,radremedy/radremedy,radioprotector/radremedy,AllieDeford/radremedy,radioprotector/radremedy,AllieDeford/radremedy