Update gems
Add unique constraints to users.name
Add default value to entries.title
Add not null constraints to `users` columns
Add not null constraints to `users` columns
Merge pull request #31 from aereal/add_column_constraints

NOT NULL constraints
Show the placeholder when title is empty
Hide SVG
Compile CSS
Add redis-rack
Launch redis-server
Use Rack::Session::Redis
Procfile for testing
Launch Redis on Travis CI
Merge pull request #35 from aereal/redis_store

Store session data at server side instead of cookie
Merge branch 'develop'