[SECURITY] Open redirection with jumpurl

jumpurl allows redirect to any given URL. A hash on the url
is now required to know if the jumpurl has been created
by the system or by the outside.

The hook "jumpurlRedirectHandler" can be used to allow
redirects without hash or to custom redirects.

Fixes: #28587
Releases: 6.1, 6.0, 4.7, 4.6, 4.5
Change-Id: I63da18b1963ec50cd95dd49d1669c9873b7bab54
Security-Commit: ad62088840f78ed3947cfb9b66ef20d6d9760b69
Security-Bulletin: TYPO3-CORE-SA-2013-001
Reviewed-on: https://review.typo3.org/18734
Reviewed-by: Oliver Hader
Tested-by: Oliver Hader