finish e, i, u, d actions
update fix for C9
fix users
fix gitfile
Merge branch 'updating-users'

Conflicts:
	.c9/metadata/tab1
	.c9/metadata/workspace/.gitignore
	.c9/metadata/workspace/Gemfile
	.c9/metadata/workspace/app/assets/stylesheets/custom.css.scss
	.c9/metadata/workspace/app/controllers/sessions_controller.rb
	.c9/metadata/workspace/app/controllers/users_controller.rb
	.c9/metadata/workspace/app/helpers/sessions_helper.rb
	.c9/metadata/workspace/app/helpers/users_helper.rb
	.c9/metadata/workspace/app/models/user.rb
	.c9/metadata/workspace/app/views/layouts/_header.html.erb
	.c9/metadata/workspace/app/views/layouts/application.html.erb
	.c9/metadata/workspace/test/fixtures/users.yml
	.c9/metadata/workspace/test/integration/users_login_test.rb
	.c9/metadata/workspace/test/test_helper.rb