Add TODOs
Describe config to boot f-p-d in distributed mode
Describe how to boot fluentd
Replace .drn fixtures with .jsons
Remove shops.grn
Use 24224 port for fluentd
Describe about fixture loading
Rename tables

Shops ->
Shop

Locations ->
Location
Add TODOs to tutorial
Use released version of fluent-plugin-droonga
Use released version of express-droonga
Update "backend" section to use "Droonga Engine"
Update overview
Update architecture diagram
Update architecture description
Droonga backend -> Droonga Engine
Droonga project -> Droonga Project
Update "frontend" section to be "Protocol Adapter"
server.js -> application.js
Update tag and specify defaultDataset