Stop including parens in links

Hello nicks, 

What do you think to this change?  Can you think of a reason we
wouldn't want to push this up to Closure, I can't.

Please review the following commits I made in branch 'dpup-links'.

9b506d83240e7a192d2a8476f113f6c0cecbe6a3 (2013-05-06 18:34:41 -0700)
Stop including parens in links

R=nicks