[bp/r50156 and r46325]
[SEC] accounting: tighten up validation byt using a whitelist; alter r50145 to return $error instead of false to stop creation/change of accounts when there are errors
[FIX] accounting: correct invalid smarty variables keeping some submit buttons from working; missing " in div

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/11.x@50157 b456876b-0849-0410-b77d-98878d47e9d5