updating. Yourls need a public url to properly determine metadata

Added display of short urls to all but the node teasers and added a theme function for the actual markup.

Added batch function to settings form to re-fetch all short urls and have cached urls removed when a content type is de-selected

Have yourls creation on edit working like expected. Also have the ability to refetch the generated url for a node to updated the database cached version

Using simple format to just return the short url and have teh db setup for storing urls after generating