Merge branch 'hotfix/2.1.2'
Starting 2.1.3 branch
Composer dependencies (#1124)
Date added was not updated when copying a product in the back end (#1126)
Prevent possible SQL injection issue

Not really a problem because the input values are (currently)
always validated against the really available options.
Finally fixed the product filter jumpTo (#1068)
Disable variant checkbox if no variant attributes are available in product type (#1114)
CS
Product variants did show up even if product was unpublished (#1120)
Fixed fields not being inherited to code move
Added ticket ID to code change
CS
URLs for Sparkasse and Worldpay payment methods were incorrectly generated (#1141 and #1142)
CDATA statement in javascript caused issue in Sparkasse payment method (#1140)
Front end javascript was not compatible with IE8 (#1155)
CS
Database::executeUncached is deprecated
Order of fields in product type was not applied to palette (#1135)
Edit-multiple failed in Contao 3.3 (#1150)
Fixed icon for copy fallback