SAK-26611 fix UTF-8 issue. Patch from Gao Jun


git-svn-id: https://source.sakaiproject.org/svn/msgcntr/trunk@310858 66ffb92e-73f9-0310-93c1-f5514f145a0a
SAK-26614 fix i18n issues in rank related pages. Patch from Gao Jun


git-svn-id: https://source.sakaiproject.org/svn/msgcntr/trunk@310859 66ffb92e-73f9-0310-93c1-f5514f145a0a