Log Message:
Update ruby-tzinfo package to 0.3.16.

== Version 0.3.16 (tzdata v2009u) - 5-Jan-2010

* Support the use of '-' to denote '0' as an offset in the tz data files.
  Used for the first time in the SAVE field in tzdata v2009u.
* Updated to tzdata version 2009u
  (http://article.gmane.org/gmane.comp.time.tz/3053).