posts/to_publish: add a 'publish' bottom btn/link.
cleanup unicorn config file.
add unpublish controller action routes.
routes config code alignment.
fix wrong routes...
post controller improvments.
add the publish/unpublish action to views.
explicit code in posts view.
make up the publish button into lists.
debug and comment method posts::show.
cleanup
move the publish/unpublish button from bottom to top in the show posts pages.
publish/unpublish btn make up.
code cleanup.
add helper method 'is_website_admin?'.
use the helper method is_website_admin?
comment helper is_website_admin? method.
rename is_website_admin? in something more talkative for code in the view...