release 1.2.9

git-svn-id: https://plugins.svn.wordpress.org/instantsearch-for-woocommerce/trunk@1009979 b8457f37-d9ea-0310-8a92-e5e31aec5664
sync updated products on-demand

git-svn-id: https://plugins.svn.wordpress.org/instantsearch-for-woocommerce/trunk@1009980 b8457f37-d9ea-0310-8a92-e5e31aec5664