* Improve: multi instance widget
* Improve: rewritten to OOP and optimized code
* Add: rel="nofollow" to post links, to prevent reindexing old posts and and affect page rank
* Add: uninstall procedure to remove widget settings
* Test on WordPress 4.1

git-svn-id: https://plugins.svn.wordpress.org/time-machine/trunk@1050533 b8457f37-d9ea-0310-8a92-e5e31aec5664