Adding the End Of Content recommendations template, and associated javascript

adding 'title' parameter to the link elements in all templates

Fixed a bug where the imgUrl property was always expected, but may not exist. So added a 'hasOwnProperty' check

git-svn-id: https://plugins.svn.wordpress.org/wripl/trunk@778443 b8457f37-d9ea-0310-8a92-e5e31aec5664