Add API test for updating line items
Fix API test for editing line items
Add API test for deleting line items
Add listing line items in user interface
Add Current Service
Remove separated event constant concerns
Add use strict to NG controllers
Fix NG event notification references
Fix assignments in LineItem, Product models for int vals
NG add line item updating
NG add line item delete
NG add listing products
NG add product to line item creation
Add role to line items
NG add byRole filter for line items
Fix NG logic for totaling and displaying line items
Add API test for adding costs
NG add deduplicate service
Merge pull request #16 from asinner/angular

Angular