Fixes product preview directive by changing the way it $watches (makes it only respond if the  number of products and offset change) Adds sailr-offset-by directive so it can be required from other directives
Fixes product preview directive by changing the way it $watches (makes it only respond if the  number of products and offset change)
Adds sailr-offset-by directive so it can be required from other directives

nfeiglin/sailr-api