Add note model and unit test
Add Notes controller and functional test
Updating presenters and decorators to return notes
Give note object in map block a better name
Use head method instead of render
defaulting notes parameter in method signature
Move notes assertions into a separate test
Use created_at for default order, rather than _id
Add validations to note model
Show validation errors in response
Merge pull request #54 from alphagov/add-notes-to-history

Add notes to history