Feature/peer-review

%> bundle exec rails db:reset

> peer_review = PeerReview.create(resource: Space.first, title: 'foo bar')
> application = Application.create(peer_review: peer_review, project: Project.first)
> peer_review.faq.documents << Document.new(content: 'foo bar', title: 'foo bar')
> answer = Answer.create(application: application, content: 'foo bar', document: Document.first)

%> bundle exec rails db:reset

POST  /api/peer_reviews
GET   /api/peer_reviews/1
PATCH /api/peer_reviews/1

POST  /api/applications
GET   /api/applications/1
PATCH /api/applications/1

POST  /api/peer_reviews/1/faq

POST  /api/answers
GET   /api/answers/1
PATCH /api/applications/1

DEL   /api/answers/1
DEL   /api/applications/1
DEL   /api/peer_reviews/1