Removed test from autogenration rails
deleted:    test/fixtures/.gitkeep
deleted:    test/functional/.gitkeep
deleted:    test/integration/.gitkeep
deleted:    test/performance/browsing_test.rb
deleted:    test/test_helper.rb
deleted:    test/unit/.gitkeep
Added gems for user model and tests
Updated relation model user
modified:   app/models/user.rb
Correct signin view
modified:   app/views/users/_form_signin.html.erb

Add factories for tests
new file:   spec/factories/users.rb
new file:   spec/features/users_spec.rb
new file:   spec/spec_helper.rb