Merge changes made in Gnus trunk.

Merge changes made in Gnus trunk.

gnus-art.el (article-make-date-line): Ignore errors if time is invalid and not convertible.
 (article-make-date-line): Only add lapsed time if time is not nil.
auth-source.el (auth-source-netrc-element-or-first): New function to DTRT for parameter extraction.
 (auth-source-netrc-create): Use it and fix multiple parameter print bug.  Use the default passed from above (given-default) or the built-in (user-login-name for :user).