Create README file
Update README.md
Created the Rakefile, Gemfile, rspec and checkout.rb to setup the environment for the tests
Created Rspec for the 1st basket
Added the first promotional rule
Finished the methods to pass the first test
Solved small issues that didn'tallow tests to be passed
Created the rspec for the second basket
Updated rspec to work with the code
Created the rspec for the 3rd basket
Solved the problem with the decimals
Update Gemfile
Merged convenience-store with checkout system
Merge branch 'master' of github.com:sendorf/convenience-store