Fixed: wrong product name on product page in add to cart event

git-svn-id: https://plugins.svn.wordpress.org/duracelltomi-google-tag-manager/trunk@840340 b8457f37-d9ea-0310-8a92-e5e31aec5664
Added v0.6 infos

git-svn-id: https://plugins.svn.wordpress.org/duracelltomi-google-tag-manager/trunk@840341 b8457f37-d9ea-0310-8a92-e5e31aec5664