[TASK] Use fully qualified name resolution in PHP 5.5

Since PHP 5.5 is a requirement, calls to GeneralUtility::makeInstance()
should use the ::class construct instead of a string argument.

Releases: master
Resolves: #61788
Change-Id: Ia2efc5a4cb7ecea80b8a1c8e5ff7b5d6fa9a07ce
Reviewed-on: http://review.typo3.org/32913
Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Alexander Opitz <opitz.alexander@googlemail.com>
Tested-by: Alexander Opitz <opitz.alexander@googlemail.com>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Reviewed-by: Markus Klein <klein.t3@reelworx.at>
Tested-by: Markus Klein <klein.t3@reelworx.at>
Reviewed-by: Xavier Perseguers <xavier@typo3.org>
Tested-by: Xavier Perseguers <xavier@typo3.org>