copied db/seeds/production/users.rb, diaries.rb
modified app/views/top/index.html.erb
added debug_dump and a.button
made spec/features/ & moved gem 'pry-rails' to :development, :test
implemented spec/features/user_log_in_spec.rb
added comment after closed div tag
implemented spec/features/user_log_in_spec.rb
improved spec/controllers/* , spec/models/*