Add users and weigh_ins controllers and views (empty).
Add Users index and show pages to check weighins. Add basic view of weighins on user show page.:
Add minor changes to application.rb, add additional weigh-in to seed file.
Add created at time with custom format. Removed ul formatting.
Merge branch 'lesley' of https://github.com/GeneChatham/weightable into lesley

Conflicts:
	app/controllers/weigh_ins_controller.rb
	config/routes.rb
	spec/controllers/weigh_ins_controller_spec.rb