[Users]: 1. Update Uikit. 2. Change regisered service api. 3. fix empty registered service list.
-update all pages after css updates-add sideabr in editRegistered user-add copy and revoke button for personal tokens
Add favicon in every jsp page
Add RequestToDelete page and Fix css
Add RequestActivationCode.java and .jsp, Fix titles of .jps pages, Fix email messages
MERGE redis branch 49864:50863
Adding general error pages for 500 and 404 errors