Lots of minor changes + one archive

* Added an archive of Pluecast
* Cleaned up and improved data sources
    * Using data to generate navbar, archive list
    * Better twitter info
    * Using variables to access data in templates (no more site.data.x.y.z)
* Moved 360player into an include (you still need to add js and css resources
  to the page)
* &c.
Feeding

* Thinking about using an atom.xml template
* New and improved feeds
    * Better ids for rants
    * Pluecast has a feed now