[TASK] Load jQuery datatables via bower

The datatables library previously located in "typo3/contrib/jquery" is now
fetched via bower and copied to the public JavaScript folder via Grunt.

Resolves: #66074
Releases: master
Change-Id: I31ca133438d8fc75d3b59e70e71a92e639205d11
Reviewed-on: http://review.typo3.org/38279


Reviewed-by: Daniel Sattler <sattler@b13.de>
Reviewed-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Anja Leichsenring <aleichsenring@ab-softlab.de>
Tested-by: Daniel Sattler <sattler@b13.de>
Reviewed-by: Benjamin Mack <benni@typo3.org>
Tested-by: Benjamin Mack <benni@typo3.org>