Fix typo: 'Principals' -> 'Principles'
Rewrite of Grocery-Delivery in ruby

props to @odcinek for between-meals which made this so simple.
Merge pull request #15 from jaymzh/new_gd

Rewrite of Grocery-Delivery in ruby
Merge pull request #13 from logikal/patch-1

Fix typo: 'Principals' -> 'Principles'
[TT] Fix knife.rb generation