Backport timezone data of 2014i to luci-0.12/BB14.07

Backport trunk's update of timezone data.
https://github.com/openwrt/luci/commit/36357529a0bfc5073987563e17a1d0cc62eac958

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>
Merge pull request #253 from hnyman/luci-0.12

Backport timezone data of 2014i to luci-0.12/BB14.07