Add rspec and capybara
Removed test/ directory since we're using spec
Generate todo list scaffold
Add length and presence validation to todo list title and used fix for rspec deprecation errors in spec_helper.rb
Add validations for description
Refactor todo list creation in spec
Test editing todo lists
Add specs for deleting todos
Add todo item model and associated specs
Add todo items controller
Write tests for todo items
Added test for creating todo items and associated code
Add specs and code for editing todo items
Refactored editing/adding items controller and views
Delete todo list items
Extract todo list helper
Add Rails Dom ID Helper
Layout update
Mark todo item as complete
Mark todo item as complete