Add ActiveModel::Errors to Restish::Model
Add .travis.yml with ruby 2.0.0-p0
Model can be saved
Add memos to write comments
Restish::Model#save returns true if OK
Model#errors are populated from response
Restish::Repository#save updates model attributes.
Handles 401 Unauthorized
Merge pull request #2 from BuddyBet/errors-in-model

Add server-side Model validation, error handling in Adapter