Removing all traces of dragonfly.

Storing references to paths on disk in the DB is not going
to work with multiple app servers unless we use cloud storage or a shared FS.
Use the asset_path helper.
Make sure we download images before precompiling assets.
Fix path.
Make sure tasks execute in the correct order.
Initial Carrierwave for Party/Representative images.
Use digest of images as file name.

This makes sure we can keep our far future cache headers for all
static resources, including these images.
Fixing up some logos
Various fixes for representative images.

* Show representatives with images first
* New image sizes
Add hipchat notifications.
Only report builds on change.
Don't reset images on every deploy.
Notify hipchat on deploys if HIPCHAT_API_TOKEN is set.
Adding the hipchat gem to the :development group.
Adding the hipchat gem.
Update Gemfile.lock
Merge branch 'appservers' of https://github.com/holderdeord/hdo-site