issue_44: Copy cooking models from PAS, use BaseModel to make all models use dedicated database
issue_44: Copy migration from PAS, specify connection to make this engine use different database
issue_44: Copy spec from PAS
issue_44: Copy factory from PAS, also include some factory generated with this engine (should be empty)
issue_44: Copy controller from PAS
issue_44: Add rake task to migrate a different database for this engine
issue_44: Copy file uploaders from PAS
issue_44: Namespace model specs
issue_44: Common base model for this engine should be abstract class
issue_44: Force using bare table name instead of prefixed name because of isolate_namespace
issue_44: Use bare model name for factory instead of prefixed one
issue_44: Fix factory not using namespaced classes
issue_44: Rename factory file to be cleaner