Use most recent version of ruby 2.0 locally
Restructure Gems

Also update ALL THE GEMS
Remove unused indexing code
Delete Feed test
Remove unmaintained varnish and git code
Require ostruct in test helper
Replace pry-nav with pry-debugger
Add generate_document helper
Update model test
Add pluralize util
Use pry-debugger instead of pry-nav
Use Utils.pluralize instead of string concat
Replace finders with ResultSet
Refactor Model base class

- Wrap results in ResultSet
- Fix serializing
- Raise exceptions when no yaml metadata is available
Update episode tests
Remove unused/unwanted auphonic code from episode
Remove finders from model