Updated tz database to version 2006m.
Updated tz database to version 2006m.

git-svn-id: 73f3b8c70a47e7dda158ff80e9f8be635a78c1e8@1130 1e1cfbb7-5c0e-0410-a2f0-f98d92ec03a1

hugojosefson/joda-time,hedefalk/joda-time