Merge changes made in Gnus master

Merge changes made in Gnus master

2013-06-18 Teodor Zlatanov <tzz@lifelogs.com>
* auth-source.el (auth-source-netrc-parse-entries): Remove debugging.

2013-06-18 Lars Magne Ingebrigtsen <larsi@gnus.org>
* net/shr.el (shr-make-table-1): Implement <td rowspan>.
(shr-table-horizontal-line): Allow nil as a value, and change the default.
(shr-insert-table-ruler): Respect the nil value.

2013-06-18 Tom Tromey <tromey@barimba>
* net/eww.el (eww-next-url, eww-previous-url, eww-up-url, eww-top-url):
  New defvars.
(eww-open-file): New defun.
(eww-render): Initialize new variables.
(eww-display-html): Handle "link" and "a".
(eww-handle-link, eww-tag-link, eww-tag-a): New defuns.
(eww-mode-map): Move "p" to "l".  Bind "p", "n", "t", and "u".
(eww-back-url): Rename from eww-previous-url.
(eww-next-url, eww-previous-url, eww-up-url, eww-top-url): New defuns.