Add gem 'foreman'
Apply bootstrap
Add gem 'haml'
CRUD for heroku_apps
Modified dashbord
Merge branch 'feature/add_models' into develop
Add gem, acts_as_taggable_on
Apply taggable
add tag views
Merge branch 'feature/taggable' into develop
error handling
grouping to apps.
rename model.
refactor: extract method
Add column to heroku_apps.
Implement Set attributes form API.
refactor: get api.
Add model, 'Addon'
rename for database.yml for sqlite3
Using PostgreSQL.