[bp/r48095][FIX] Make it possible to filter on partial email addresses. Please check
[ROLLBACK][r46477][SEC] Validate email to prevent XSS
[SEC] Use standard input check
[FIX] oninput missing from the xss filter list
Do not call validate_email, since it prevents filtering on partial email addresses. Thanks Nelson
May need backporting. 

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/9.x@48137 b456876b-0849-0410-b77d-98878d47e9d5