Set irretrievable post authors to 'Unknown Author'
Add/fix link to TIOBE index
Fix typos and make small improvements (de)
Change 'matz' to 'Matz'
Move 'noticias-recentes' dir to 'news' (pt)
Adapt links to moved 'news' dir (pt)

Change links in config file and remove pt-specific code
in news plugin and homepage layout.
Move 'noticias.rss' to 'news.rss' (pt)
Adapt links to new feed url (pt)
Add layout for RSS news feeds
Use layout for RSS news feeds