SAK-27993 Change to jquery-i18n to avoid break js sintax with translations.

git-svn-id: https://source.sakaiproject.org/svn/roster2/trunk@314973 66ffb92e-73f9-0310-93c1-f5514f145a0a
SAK-27995 Roster performance regression

git-svn-id: https://source.sakaiproject.org/svn/roster2/trunk@314974 66ffb92e-73f9-0310-93c1-f5514f145a0a
Merged Juan's performance and i18n changes in.


git-svn-id: https://source.sakaiproject.org/svn/roster2/branches/RSTR-67@314994 66ffb92e-73f9-0310-93c1-f5514f145a0a