WIP: Transformers

specs/blendb-api-v1.raml

src/api/controllers/data.ts

src/api/controllers/meta.ts

src/api/router-v1.ts

src/api/views/meta/diagram.pug

src/core/aggregate.ts

src/core/server.spec.ts

src/core/server.ts

src/core/source.ts

src/core/storage.ts

src/core/transformer.spec.ts

src/core/transformer.ts

src/core/view.ts

src/main.ts

src/storage/monet.ts

src/storage/mongo.ts

src/storage/redis.ts