Delete scaffold javascript and stylesheets

For the time being, we're not adding any custom CSS or javascript. Until then, these don't need to be checked in.
Oops, a shortcut got checked into git
There are no pull helpers defined, so these files aren't needed.
Tidy up whitespace
This is already a dependency of autotest-rails, so there's no need to list it explicitly in the Gemfile
Delete these specs

1. There are no pull lists or pull manifests helpers, so no need for corresponding spec file.

2. We're not writing requests specs ... if we go down that road, it'd be better to use capybara
Update factories to match new models and model changes
Tidy whitespace
Refactor current date/time to a one-liner
Test model validations
Get collection_select working on the belongs_to side of the pulls to lists/manifests relationships
Get PullsController tests working again

Changes to model attributes broke these tests
Define controller specs for pull lists and pull manifests
Flash confirmation after deleting a record
Add a method to display the pull name
Spec pull#name method
Reorder routes
Use page header helper
Use twitter bootstrap to style tables
For now, let's use names that are consistent with Model#human_name.

Eventually, I'd like to integrate the PullList and PullManifest view content into the Pull views and drop lists/manifests from the site header entirety.