Changed the length of 'language' column in users table from 2 to 5, to allow long language codes like pt-br.

Updated portuguese translation (Arthur Zapparoli).
Current pt translation moved to pt-br.


git-svn-id: http://redmine.rubyforge.org/svn/trunk@518 e93f8b46-1217-0410-a6f0-8f06a7374b81

lang/zh.yml

@@ -49,7 +49,7 @@ general_text_No: '否'
 general_text_Yes: '是'
 general_text_no: '否'
 general_text_yes: '是'
-general_lang_zh: 'Chinese (简体中文)'
+general_lang_name: 'Chinese (简体中文)'
 general_csv_separator: ','
 general_csv_encoding: gb2312
 general_pdf_encoding: Big5