Run `rails new` to create the app.
Add place controller and index action for showing quiet places.
Add place model.
Add create new place page.
Add missing template.
Add save logic for create new place.
Add show place page.
Remove mood and things from places.
Remove mood and things from page.
Add comment for place.
Pour data into ElasticSearch after save of place.
Fix index creation error when already exists.
ElasticSearch bootstrap move to initializer.
Fix geo query problem.
Add link to place detail page.
Place detail page can add comment.
Add qq map to index page.
Map show marker on current position.
Add JSON API for display places.
Remove useless div content.