Add elnode handler to get current conkeror URL

By running this in elnode, one can then point their browser to the
chosen port and server and they'll get 302-redirected to whichever URL
conkeror is showing at that moment.

emacs/.emacs.d/init.el

@@ -654,6 +654,13 @@ For `python-mode' I prefer `python-imenu-create-flat-index'."
                            (hide-entry))
                        (call-interactively func))))))
 
+(defun oni:current-conkeror-tab (httpcon)
+  "Demonstration function"
+  (elnode-http-start
+   httpcon 302 `("Content-Type" . "text/html")
+   (cons "Location" (shell-command-to-string "conkeror-eval")))
+  (elnode-http-return httpcon))
+
 (let (setp)
   (defun oni:set-theme (frame)
     "Try to set the theme for the current (first) frame."