release 1.2.11

git-svn-id: https://plugins.svn.wordpress.org/instantsearch-for-woocommerce/trunk@1014104 b8457f37-d9ea-0310-8a92-e5e31aec5664
* sends old uuid (if exists) on activation
* attribute fields as part of product update support for WooCommerce 2.0.x


git-svn-id: https://plugins.svn.wordpress.org/instantsearch-for-woocommerce/trunk@1014106 b8457f37-d9ea-0310-8a92-e5e31aec5664