Switch to using ChoiceLoader instead of PrefixLoader
Switch to a class variable fo the list of template packages

* Enables subclasses to easily modify the list of places packages
  get loaded from
* Adds a fallback to a generic warehouse package for templates
Use bower to install bootstrap 3
Setup webassets and Werkzeug to handle static files
Add html5shiv and respond for IE<9 compat
Don't run lessc in debug mode
Ignore the node_modules directory
Make the configuration available to the rendered templates
Add the concept of the site.name
Add a base.html template
Switch to a simpler layout for template files
Depend on recliner, we'll use it to render the descriptions
We want Jinja2 to be autoescaping our templates
Expand the packaging data models

* Add an API for getting a list of all the versions for a project
* Add an API for getting a particular release of a project
Start working on the project detail UX
Remove the default navigation items
Link the site name to the site url
Remove the IE<9 compatability shims
Cache the project detail pages
Add a cannonical link to all project details