Fixed RSS Link, using 'rss' as $action param

Fixed RSS Link, using 'rss' as $action param for Link() method on BlogHolder.
This fixes the rss url when removing trailing slashes from page urls
Show "selected author" headline when filtering
Merge pull request #69 from icecaster/patch-1

Fixed RSS Link, using 'rss' as $action param
MINOR: add widgets module and replace framework for cms