* use port for check * respect entries in /etc/hosts * test /.well-known/host-meta * don't allow redirects to other domains
* add port to pods * remove url from person and link people with pod-table
* add a class for checking pod connectivity * extend pod model to handle new functionality * add an admin frontend to list pods and re-trigger checks manually * add a daily worker to run through all the pods * add unit tests for most of the new code
