Update Kohana - #4741: Set charset in 'content-type' header for POST requests
Redo Akismet API and unit test for K3.  I (heart) HMVC sub-requests.
Revise TagEvent and Controller_Items to use new Formo::add_before_submit().
Make TagEvent more robust with spaces (e.g. work with entries like "foo, ").
Merge pull request #359 from shadlaws/fixes_20130509

Fixes 20130509