Fixes references to user guide

git-svn-id: https://plugins.svn.wordpress.org/yummly-rich-recipes/trunk@1047458 b8457f37-d9ea-0310-8a92-e5e31aec5664
Changes changelog in readme.txt

git-svn-id: https://plugins.svn.wordpress.org/yummly-rich-recipes/trunk@1047476 b8457f37-d9ea-0310-8a92-e5e31aec5664