Update Ruby-forum.org --> Ruby-forum.com and more (pt)
Fix small typo and Archives references (pt)
Fix Documentation Archives link (pt)
Add comp.lang.ruby Newsgroup line (pt)
Fix links to Ruby-PT group (pt)
Add note refering to lists.ruby-lang.org (pt)
Add emphasis on 'controller address' (pt)
Add alert about not using HTML e-mail (pt)
Merge pull request #773 from abinoam/feat_pt_update

Update /community/mailing-lists/ (pt)