Create Micropost resource
=====
$ rails generate scaffold Micropost content:string user_id:integer
      invoke  active_record
      create    db/migrate/20140228130333_create_microposts.rb
      create    app/models/micropost.rb
      invoke    test_unit
      create      test/unit/micropost_test.rb
      create      test/fixtures/microposts.yml
      invoke  resource_route
       route    resources :microposts
      invoke  scaffold_controller
      create    app/controllers/microposts_controller.rb
      invoke    erb
      create      app/views/microposts
      create      app/views/microposts/index.html.erb
      create      app/views/microposts/edit.html.erb
      create      app/views/microposts/show.html.erb
      create      app/views/microposts/new.html.erb
      create      app/views/microposts/_form.html.erb
      invoke    test_unit
      create      test/functional/microposts_controller_test.rb
      invoke    helper
      create      app/helpers/microposts_helper.rb
      invoke      test_unit
      create        test/unit/helpers/microposts_helper_test.rb
      invoke  assets
      invoke    coffee
      create      app/assets/javascripts/microposts.js.coffee
      invoke    scss
      create      app/assets/stylesheets/microposts.css.scss
      invoke  scss
   identical    app/assets/stylesheets/scaffolds.css.scss
=====
bundle exec rake db:migrate
====
$ bundle exec rake db:migrate
==  CreateMicroposts: migrating ===============================================
-- create_table(:microposts)
   -> 0.0076s
==  CreateMicroposts: migrated (0.0077s) ======================================
====
Commit Anyway
Success to introduce validation of 140 length