[BUGFIX] Linkvalidator: Add h1 headline with page title

In order to be consistent with the
other Web modules, the linkvalidator
module should output the page title as
h1.

Releases: master
Resolves: #63224
Change-Id: I89dc6c2f1de6b04a9f2a28099ae0a38258095215
Reviewed-on: http://review.typo3.org/34791
Reviewed-by: Mathias Schreiber <mathias.schreiber@wmdb.de>
Tested-by: Mathias Schreiber <mathias.schreiber@wmdb.de>
Reviewed-by: Frank Nägler <typo3@naegler.net>
Tested-by: Frank Nägler <typo3@naegler.net>