deactivated viewCache for Kwc/Newsletter/EditSubscriber and Kwc/Newsletter/Unsubscribe/Form/ Component

because these shows different datas
Merge remote branch 'github/3.3' into 3.3
don't redirect controllers to https if $_POST values were given

for Example if your url has http and you make an ajax request to a controller it redirects you and crashes
clear cache for next/previous buttons in gallery
fix cc: support different galleries, don't pass linkTag as getChildren
columns trl have no visible column. also use the same with as master uses
add missing file
improve trl: show original title and image caption