[Front office] Modifying upsell products

Display off upsell products is now based on accessory loop but not promo products
[Front office] Modifying upsell products

Display of upsell products is now based on accessory loop but not promo products
[Front office] Modifying upsell products

Display off upsell products is now based on accessory loop but not promo products
[Front office] Modifying upsell products

Adding limit 3 + random order on loop accessory
[Front office] Modifying upsell products

Fixing $ID in some loops
modify the smarty syntax
Merge pull request #221 from enurit/patch-5

[front office] Modifying upsell products popup