adding invoices controller
adding show view for invoices
adding invoices resource
adding show method to invoice controller
create method to indicate whether invoice has been sent to qb or not
*Adding a total q action for invoice model
*Indicate wheter invoice was sent to qb or not
adding a helper to display currency in pretty format
creating action for line item that returns the total for the li
create show view for single invoice
adding index action
removing typo
creating an index view for invoices
adding invoices to nav
adding a button to create new invoice
adding a form to input new invoice
refactoring set_line_items method to better deal with controller data
methods to create a new invoice with line items
creating javascript for new invoice view to calculate totals
creating a vendor model (non AR) to hold all vendor data
adding link_to helper that injects an additional line item in invoices#new