a chinese translate for 3.0.2 #74 (maybe some mistakes,take care,should fix if notify me. thank u)

if needed,i can translate the latest properties files.

use guide:

language_zh_CN.jar: copy this file to lib directory.
calendar-zh.js : if use UTF-8 encoding,should convert original calendar-zh.js to UTF-8 encoding,if use GBK,not needed.

(you can read http://jira.atlassian.com/browse/JRA-5124 for detail )

global_css.jsp : should add or modify some font for look well.
vier_detail.jsp: should change td width for look well.