Add routes and index action for manuals
Add manuals to nav
Move govspeak-help partial to shared folder
Add new action and form for manuals
Add #create action for manuals
Add #show action for manuals
Add list to #index action for manuals
Add edit page and update for Manuals

https://trello.com/c/CylpNbTl/61-manuals-create-a-manual-3
Add cukes for creating and editing manuals
Refactor manuals controller
Add updated_at to manuals
Add validation to manuals

Also adding a cucumber test for validation errors working correctly
Move SpecialistDocumentRepository to app/repositories
Redesigned ManualRepository to use embedded editions

This avoids the problem of grouping Mongoid documents and pretending
it's a relational database
Improve tests and add models for new ManualRepository
Explicity tag ManualRecord tests that hit the database
Merge pull request #76 from alphagov/add-manuals

Add manuals