afs-store

Fix facet with ampersand configuration for search engine > facets
Replace "-" with "&afs:feed" to separate feeds in url (compatibility with AFS 7.7)
Fix empty facet id sent when performing an empty query to afs to get facets list
Add description node for variants
Add cdata for variant name
Prevent to export empty categories node
Add cdata for variant name
Add variant details for grouped products

First stable release including ACP & Search