Install RSpec, Capybara & Factory Girl

There have been some changes to rspec-rails; instead of requiring 'spec_helper'
for most tests, we will need to require 'rails_helper'

Also Deleted generated comments in Gemfile
Install DatabaseCleaner
Update README & add local test guide
Adds first tests and factories
Set up Capybara with Poltergeist
Install Launchy to view screenshots from Capybara tests

Useful for debugging
Adds spec for signing in
Adds Item specs

Item currently does not have any validations, which will have to change.
Adds home page spec
Set up page object model for Capybara specs

Require support/page
Begin creating list type specs
Add profile page smoke spec
Begin installing Jasmine
Update boostrap-x-editable-rails

Fixes JS failures. Now unnecessary to ignore js errors in specs
Update mustache.js
Finish ListType spec