Update for changes on photobucket.com
Example: http://s191.beta.photobucket.com/user/Syan48306/media/Tech/2.jpg.html
Move rules for photobucket.com to "other" section
Add support for tinypic.com
Example: http://tinypic.com/view.php?pic=10hm8gl&s=6
Add $u() API for input nodes with URLs
Add support for tinypic.com with enabled JavaScript
Bump version to 0.5.6 - 2013-03-14