[BUGFIX] Enable links in install tool configuration sections

Links contained in install tool configuration sections are not
working. This patch adds the missing anchors and javascript to
expand a collapsed sections in case a target anchor is not
visible.

Resolves: #62365
Releases: master, 6.2
Change-Id: Ifbaaf2fc745e8af340a330a9ca8ec07bc34db867
Reviewed-on: http://review.typo3.org/34237
Reviewed-by: Benjamin Mack <benni@typo3.org>
Tested-by: Benjamin Mack <benni@typo3.org>