Added compatibility to WordPress 3.9.1 (JavasScript error: ReferenceError: tinyMCEPopup is not defined) by updating the insert link Javascript library wplink.js and the main plugin file.

git-svn-id: https://plugins.svn.wordpress.org/dofollow-case-by-case/trunk@960708 b8457f37-d9ea-0310-8a92-e5e31aec5664