Major changes

- ActiveRecord ORM layer
- base controller helpers that rely on a particular ORM are now defined in the ORM layers
- Sequel requires moved into the self.included block, to help with the mem footprint
- rake generate:model reappeared
- rake waves:freeze and waves:unfreeze
- Rack::Static declared for /css, /javascript, and /images in generated applications
- added Lawrence Pit's Haml renderer
- English inflector pulled into its own layer, in the hope of allowing localization someday
- utility monkeypatches pulled into modules where possible, for better troubleshooting
- docs, samples, and verify now actually included in the gem
- monkeypatch to Tempfile to work around problem with file uploading and Rack.