[TASK] Wrap new_language menu in Bootstrap styles

This patch wraps the new_language menu in the PageLayoutView to
Bootstrap styles

Resolves: #65945
Releases: master
Change-Id: Iff219a0245455c3320ece5b19fbd915bdddc1aa4
Reviewed-on: http://review.typo3.org/38047


Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Reviewed-by: Andreas Fernandez <andreas.fernandez@aspedia.de>
Tested-by: Andreas Fernandez <andreas.fernandez@aspedia.de>
Reviewed-by: Benjamin Mack <benni@typo3.org>
Tested-by: Benjamin Mack <benni@typo3.org>