promotion entity: change min resolution and image style
promotion views: change image style
view modes: change tablet full to promotion slideshow linked
image styles: change tablet full to promotion slideshow
dining files: add promotion slideshow
link promotion view mode
change promotion image size
Revert "change promotion image size"

This reverts commit 4aa6c42f919910f318516c1001943981274c3f2f.
change image sizes
chagne help text