SAK-27831 formatting consistency (tabs vs spaces)

git-svn-id: https://source.sakaiproject.org/svn/user/trunk@314092 66ffb92e-73f9-0310-93c1-f5514f145a0a
SAK-27831 disable buttons and show spinner on button click of delete user(s)

git-svn-id: https://source.sakaiproject.org/svn/user/trunk@314093 66ffb92e-73f9-0310-93c1-f5514f145a0a