[MOD] Make return URL be available in the onContinue method.
onSetupPage and onContinue is called in different contexts, so saving the return url in onSetupPage and using it in onContinue  doesn't work
[FIX] Use the correct return URL

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@47586 b456876b-0849-0410-b77d-98878d47e9d5