removed redundant pry gem
Added foundation
Setup business/invoice associations
Merge pull request #9 from georgexzeng/master

added in other views and controllers
Merge pull request #10 from apesic/associations

Associations
Basic index view, nav bar
Seed file
Added more seeds, corrected typo
Changed root route back to welcome#index
Added payer/receiver associations to invoice
Merge pull request #11 from apesic/views

Views
Added upcoming invoices to index view
Merge pull request #12 from apesic/views

Added upcoming invoices to index view
modified seed and invoices views