additional logging to install

git-svn-id: https://plugins.svn.wordpress.org/instantsearch-for-woocommerce/trunk@934309 b8457f37-d9ea-0310-8a92-e5e31aec5664
release 1.0.12

git-svn-id: https://plugins.svn.wordpress.org/instantsearch-for-woocommerce/trunk@934310 b8457f37-d9ea-0310-8a92-e5e31aec5664
release 1.0.12

git-svn-id: https://plugins.svn.wordpress.org/instantsearch-for-woocommerce/trunk@934311 b8457f37-d9ea-0310-8a92-e5e31aec5664