Display time in local timezone on JenkinsDisplay time in different timezone on Jenkins instead of always showing UTC time. In this version we support the following timezones:
* Taipei Time (UTC+0800)
* UTC
* US Pacific Time (UTC+0800 or UTC+0700), depends on daylight saving time
and languages en-US and zh-TW.
Change logs:
* 1.0: initial commit
* 1.1: remove waiting for onload event
* 1.2: fix typo from "Jeknins" to "Jenkins"
* 1.3: enable in https