No scripts in Iframe

and assorted other little fixes.

New template item

Added a new template item: Website thumbnail.

Be sure to flush the cache before using this by visiting "flush.php"

Fixed download

Moved vendor folder to hopefully now be included in the download properly.

Improved url checking.

Small improvement

Added ability to use mediawiki syntax external URL's as input in embed tags.

First Release

Up and running. Need to test with many different links though, but works nicely for the few links I've tried.