Add route to user's grocery list page
Add controller and show handler for grocery list
Add dummy view for grocery list
Grocery list example is seeded

User 1 now has a grocery list. It looks nice in the view.

Bugfix: grocery list model was trying to validate a field
that didn't exist.
BUGFIX: grocerylist/show.html.erb indentation is now conventional

Fixed the indentation in show.html.erb so you can read the source
code easier
Merge pull request #22 from tararoys/TLR-grocery-list

Looks good!