refactor the code about new submit
fix a bug about user permission defunct
fix #23, get_user will return a fresh user from database
common error page translation (zh-cn)
Merge branch 'i18n'
Merge pull request #25 from dotkrnl/register_error

fix register page bugs and show errors
Merge pull request #24 from dotkrnl/mail_bug

fix mail list not showing receiver bug
Merge branch 'freefcw'
controller title translation (zh-cn)
Merge branch 'i18n'
controller error translation (zh-cn)
Merge branch 'i18n'

Conflicts:
	application/classes/Controller/User.php
system message translation (zh-cn)
Merge branch 'i18n'
user name length 3 allowed